Features:<br />Upgraded BT5.0 chip, audio transmission is more stable, HiFi sound quality.<br />Composite diaphragm, the sound is clear and bright, low distortion.<br />Adopt dual noise reduction technology to reduce ambient noise, non-destructive sound quality.<br />Ergonomic semi-in-ear design, fit the ear canal, comfortable to wear, not easy to fall. Soft skin-friendly silicone material, unique memory arc shape, can automatically return to the original shape.<br />Magnetic suction design, removes tedious storage steps, not easy to wind and lose.<br />Widely compatible with BT-enabled mobile phones, tablets, etc.<br/>Specification:<br />Brand: Lenovo<br />Model: SH1<br />Color: Black/Blue/Green/Red(optional)<br />BT version: V5.0<br />Transmission distance: About 10m(barrier-free)<br />Speaker size: 14.2mm<br />Frequency response: 20Hz-20KHz<br />Charging port: Micro USB<br />Battery capacity: 110mAh<br />Waterproof level: IPX5<br />Rated input: 5V 80mA<br/>Packing list:<br />1 * Headphone<br />1 * Charging cable<br />1 * User manual