Specifications: Color Black Wearing Type Over-ear Material ABS+PU Net Weight (g) 168g Dimensions 180*186*86mm Drivers 40mm Microphone Yes Volume Control Yes bluetooth Version V5.3 Supported Profiles HSP/HFP/A2DP/AVRCP Transmission Distance 33feet (10m) Sensitivity 105dB Impedance 32 Battery Capacity 300mAh Charging Time (h) 1-2h MusicTime 8-20h Charging Interface Micro USB PackageIncluded: 1*Wireless Headset 1* Charging Cable