streamlined ear hanging design, fashion beauty, right ear to wear, comfortable fit, touch operation to answer hang up call+music pause playback, high-end Bluetooth chip, excellent sound quality, V4.1 CSR, support agreement Headset Hands-free A2DP, the transmission range of 10 meters, the transmission frequency of 2.4GHz, talk time of 4 hours or more, more than 4 hours of music time, standby time of 55 hours or more, 8g weight, the charging voltage DC5V, charging time of about 2 hours, battery capacity: 55mAh, size: L59 * W15 * H10MM, power display support for Apple phones and some Andrews phone, thanks to ergonomic hanging design, the formation of one of the goods streamlined, brought more than fashion aesthetic, and in line with the ear contours, bringing a comfortable fit, comfortable and comfortable to wear, with in-ear design, right ear wear, suitable for long wear easy to control, easy to use