Product Features ★ cable, no need. With high quality sound only, arebaii. Full wireless earbuds "w800bt" ● It adopts Bluetooth technology, stress-free headphones that completely eliminate the cable. In φ8.6mm dynamic driver installed, you can read quality in pure high precision. In addition, the ergonomic and comfortable design is obtained. ★ Because it is totally autonomous, wireless, stress-free user comfort ● It adopts Bluetooth technology, the cable that connects the left and right earpiece of the same to eliminate, innovative wireless full structure. Stress is a free earpiece cables out of the way, even in the crowd. Hands-free calls is also possible with the built-in microphone. ★ I don't think that wireless high quality, precision playback in pure ● by φ8.6mm dynamic driver with frequency band reproduction of 6Hz ~ 22kHz, high-bass achievement, balanced, with clear treble that thick. Also block out noise from outside, it adopted a waterproof structure that allows for accurate sound reproduction in clear. ★ A long period of time still wearing fatigue, ergonomic design ● Design and construction based on ergonomics, and the adoption of the stabilizer, firm and comfortable hold is achieved, has obtained a comfortable to wear that fatigue is also of a long period of time set. ★ Charging case, which also serves as a USB charger ● Comes with a charging case, which doubles as a USB charger, can be 5 times the charge to the earpiece if fully charged (about 3 hours playback on a single charge). Easy to carry for its compact size.