Features:* CSR 4.1 chip｣ｬ it could transmit High-Rate sign｣ｬ enjoy high grade wireless music and build quickly connection.<br />* APT-X coding technology｣ｬ unbuffered｣ｬ low latency｣ｬ and the decoding rate up to 768 kbps.<br />* Memory metal earhook｣ｬ ergonomic design｣ｬ it would be no easy to slid down while sporting.<br />* Lightweight｣ｬ the net weight of the earphone is approximately 13g｣ｬ more comfortable for running.<br />* Equiped with 75mAh battery｣ｬ approximately 5h music time and 180h standby time.* Selected 10mm drive unit tuning produces smooth and potent sound｣ｬ the sensitivity up to 98dB.<br />* Strong compatibility｣ｬ it could compatible with more than 99% of smart phone. Specifications:General Specification  Brand  PICUN  Model  H3  Color  Black+Gold｣ｬ Black+Blue｣ｬ White+Gold  Wearing Type  In-earTechnical Parameters  Microphone  Yes  Wired Control  Support  Bluetooth Version  4.1  Transmission Distance  10m  Receive Sensitivity  98dB  Impedance  16&amp;Omega;  Frequency Response  20-20kHz  Battery Capacity  75mAh  Charging Time (h)  2h  Music Time (h)  5h  Standby Time (h)  180hPackage  Included: 1* PICUN H3 bluetooth earphone 1* USB charging cable 2* pairs of double earmuffs 3* pairs of earmuffs<br /><br />