HEAVY BASS 5.3 Version Transmission range greater than 15 meters 400 mAh of battery capacity More than 15 hours of playback 80 hours is the standby time. Two hours for charging DC5V=200mA is the input voltage. 20 Hz–20 KHz frequency response Impedance +/- 15% Sensitivity - +3dB - 105 USB-rechargeable battery Support micro SD 3. COLOR: PINK, PURPLE, WHITE Categories: Headsets, Accessories & Supplies Headset tag