USB to 3.5mm Jack Audio Adapter (2-Pack), USB to Audio Jack Adapter Headset, USB A to 3.5mm TRRS Female, External Stereo Sound Card for Headphone, Mac, PS4, PS5, PC, Laptop, Desktops, Linux, Laptop
【USB to 3.5mm jack audio adapter】 Ideal to connect a CTIA 3.5mm headset, TRRS mic or speaker to PC via USB interface. Support stereo sound listening + speaking, dual functions. Easily add a 3.5mm TRRS aux port for your devices, or a replacement for a failed USB sound card audio adapter. (Unidirectional audio transmission: For listening functions, this USB port is output, not input. Audio can only transfer from USB port to 3.5mm port).
【Hi-Fi Sound Quality】 This USB to 3.5mm jack audio adapter adopted an advance DAC Smart Chip, offer high-definition audio, powerful noise reduction, you can get higher fidelity sound from it.
【Compact and Portable】 With zinc alloy shell, the Aux to USB adapter is more durable and portable than other plastic USB audio adapter. You can take this 3.5mm to USB adapter wherever you go as its portable and lightweight design.
【Wide Compatibility】 No standard restrictions. Support CTIA standards jack. No system restrictions. Support Android earphones. Support Windows 10/8.1/8/7/Vista/XP, Mac OS X, Linux, Google Chromebook, Windows Surface 3 pro, Raspberry Pi and PS4 etc. Note: The USB interface on PS3 does not carry audio signal, so this usb audio adapter does not work with PS3.(Unidirectional audio transmission: this USB port is output, not input. Audio can only transfer from USB port to 3.5mm port).
【Plug and Play】 This USB to 3.5mm jack audio adapter No need to install software, drive, or complex connection mode, plug and play. Let you use the simplest way to enjoy wonderful music anywhere.

Slash4 Pro Bluetooth Receiver - aptX HD, LDAC, aptX Adaptive and Advanced Noise Isolation for Car & Home Stereo Music Streaming (AUX, Optical Out, Auto On)
Advanced Noise Isolation: Isolated DC/DC Converter blocks power noise sources for a pristine audio environment
Bluetooth Codec: Implementing essential high-quality codecs in Bluetooth sound, such as LDAC, aptX-Adaptive, and aptX-HD, the QCC5125 from Qualcomm delivers pristine HD sound without noise.
Cutting-Edge DAC Technology: Features the high-performance ESS Quad DAC ES9219 for unparalleled audio quality.
Ultra-Low Noise Operation: Utilizes a Low Dropout Regulator (LDO) for minimal background noise.
Smart Connectivity: Automatically connects to the last-used smartphone when the car engine starts.
Optical Upgrade: Elevate your audio experience effortlessly by connecting Slash4's optical output to your car audio processor or DSP, as well as your home audio amplifier.
AptX Adaptive Codec Optimization: Paired with the high-fidelity audio codec aptX-Adaptive [24bit/96kHz], the premium Bluetooth audio transmitter SLASH-T and the high-quality Bluetooth receivers SLASH3/4/5/6/7 create an exceptional synergy and harmony.
Compatibility with Android Auto and Apple CarPlay is not guaranteed. For prioritizing sound quality, we recommend using Slash4 standalone.

Elfcam® - 2m Fibre Optic Cable LC/UPC to LC/UPC Multimode Duplex 50/125um OM3 LSZH White(2M)
LC/UPC to LC/UPC fibre optic cable (Optical jumper), 50/125um OM3 Multimode Duplex, LSZH,White.
Cable diameter: 2.0 mm. Sheath material: LSZH (zero halogen and low smoke). Available in different lengths.
Insertion loss: ≤ 0.2 (dB), return loss: ≥ 50 (dB). All channels are 102% optically tested for insertion loss to ensure quality.
Connects to 10GBase-SR, 10GBase-LRM, 10G SFP+, 25GSFP28 and 40G QSFP+ ，100G QSFP28 transceivers for 10GbE/25GbE/40GbE/100GbE networks.
10-year warranty. Superior customer service (24/7 service in France). Welcome to contact service.

BluDento B2 aptX HD LDAC True Hi-Fi Bluetooth v5.1 Audio Receiver, Built-in ESS DAC for Analog Stereo RCA Output, Enhanced Working Range, Digital Coaxial & Optical Outputs
Why BluDento B2 Lossless Bluetooth Receiver ? We have an on-board ESS DAC for analog output, others do not. It automatically enters pairing mode when it is powered on and does not require manual operation. BluDento B2 does not require a driver and does not require an APP, while WiFi audio receivers require a driver and require an APP. Auto Reconnect: Turn on your phone's Bluetooth first, then launch BluDento.
Bluetooth Version 5.1: BluDento Bluetooth DAC is featuring Bluetooth v5.1 chipset which is a premium solution delivering high quality wireless audio performance and supporting for LDAC, aptX HD, aptX Low Latency, aptX, AAC and SBC decoding.
Audiophile Grade DAC: Features ESS ES9018K2M DAC which is a high performance 32bit / 384kHz PCM data, 2CH audio D/A converter targeted for audiophile grade portable applications, a high level that will satisfy the most demanding audio enthusiasts. 2.1VRMS MAX RCA output level.
Flexible Output Connectivity: Supports both analog ( L/R RCA / 3.5MM AUX ) and digital ( Optical TOSLINK + SPDIF Coaxial ) outputs, provides wide compatibility with your existing stereo equipment.
Enhanced Long Range: Utilizing CLASS 1 Bluetooth technology and designed with external gain antenna. Kindly be noted that Operation Range can be affected by many factors such as physical obstructions like walls, metal obstacles. And also depended on Bluetooth source devices.
Bring Your Old Speakers Back To Life: BluDento B2 is HiFi Bluetooth DAC Receiver supports aptX HD which can stream high quality music from Bluetooth enabled cellphone, pc or tablet to any of your home stereo systems. Plug and Play, super easy to use.

ZimaBoard 832 Single Board Server Router X86 Single Board Computer Personal Cloud Network Attached Storage 4K Media Server Dual Gigabit Gateway - PCIe x4 SATA 6.0 Gb/s for HDD/SSD
World's First Hackable x86 Single Board Server - ZimaBoard is a low-cost single board server exclusively designed for makers, DIYers and geeks. Equipped with Intel Celeron N3450 Quad Core operating at 1.1GHz to 2.2GHz, it has both the expandability of an x86 single-board computer, and the appropriate power of a micro server, perfect for edge intelligence and smart home projects.
PCIe x4, SATA 6.0 Gb/s & Dual Gigabit Ethernet Onboard - Fully customizable and expandable with onboard interfaces, PCIe x4 interface caters to a variety of user needs. Also, with a large number of PCIe accessories available in the market, you can easily extend your ZimaBoard setup with 2.5Gbe, NVMe NGFF SSD, WIFI dongle, XMOS/DAC module, and many more!
Personal NAS, 4K Streaming Server, VPN Router & IoT Gateway - With ZimaBoard, you can setup a 4 Terabyte personal cloud in 5 minutes and no more monthly bills, configure a secure VPN to protect your digital footprint, tune your network with OpenWrt and , build a 4K media server that runs with Plex, share and collaborate with team members on your files, or upgrade your smart projects across different systems.
Pre-installed CasaOS - A simple & elegant home cloud around Docker ecosystem, changing the way families view modern living. From photo and video storage to smart home device management, and encrypted communications, CasaOS is the one-stop ideal home cloud system to keep families safe and protected in the digital age. And zimaboard also compatible with OS like Linux(default)/ Windows / OpenWrt / / Android / Libreelec.
Package Includes:1x ZimaBoard 832, 1x SATA Cable, 1x 12V/3A Power Adapter; Any questions, please email us by click the "zimaboard" or contact us with zimaboard offical site，We are always ready to ​listen to you.

Audioengine B1 Bluetooth Receiver for Speakers and Sound Systems - Long Range HiFi Wireless 24 Bit Audio Music Streamer
GO WIRELESS - Add Bluetooth capability to any stereo receiver or powered speakers and start streaming wirelessly today - works with iOS Airplay, Android, Windows, Mac OS and more
HIGH FIDELITY AUDIO - Get stunning 24 bit quality with Bluetooth 5.0, aptX-HD, aptX, SBC, and AAC encoding
LONG RANGE - Connect from any smartphone, tablet or computer from up to 100ft away
FEATURES - WM8740 USB DAC, RCA and Optical output, extended range
WHY CHOOSE THE B1 - HiFi audio, power cord included, no special software required, aluminum housing not plastic, extended range, US company based in Texas, guaranteed for 3 years, customer service with real people - not voicemail
INCLUDES - The package includes B1 Bluetooth adapter, 3ft RCA audio cable, USB AC power adapter, 6.5ft micro-USB cable, microfiber product bag, and setup guide. Easy setup with no software needed