Bluetooth Headphones, Syllable D9X Wireless Earbuds with Charging Box and 4 Detachable Replacement Batteries TWS Quick Connection Noise Cancelling Headphones In Ear Sport Earphones, Support Siri
[Creative Battery Design] D9X has built-in detachable battery chips, so you don't have to worry about battery life. Charging one of the batteries about 40 mins can power one headset for over 2 hours. That is to say, D9X can offer you up to 8 hours continuous talk or music time if all 4 batteries are fully charged. Moreover, you can check the battery capacity on your phone.
[Convenient One-key operation] Different from some button-style wireless headphones which hurt your ears, you can listen to music and make phones calls, power on and power off with just one gentle click. That's to say, when the battery is attached the power is on; when detached, the power is off. This saves time pairing and solves the problem of turning the power on & off.
[Intelligent Charging Box] You will love the breakthrough design of the tiny charging case. 1,classic black charging box is shockproof and moisture-proof on account of unique raw materials. 2,the small box combines the functions of charging and storage and can charge 2 batteries at one time, so the 4 batteries can be used alternatively. There is no need to wait for charging. 3,charging the box fully can charge 2 batteries 3 separate times before you have to connect via the USB charging cord.
[Innovative TWS True Wireless Earbuds Design-] Adapted with True Wireless Technology, Syllable D9X gives wireless synchronous connection stereo pairing, without any cord troubles. What's more, two earbuds can be used at the same time with TWS truly wireless separation technology, so you can enjoy sports and music alone or share it with a friend.
[Newest Bluetooth 4.2 & Strong Compatibility] Adapted with the newest Bluetooth 4.2 chip, it is compatible with devices up to Bluetooth version 4.1. You can use these earbuds to play games, listen to music or