Bluetooth version: V5.0 Speaker:?40mm Tansmit range: =15M Working time:4-6hours Battery:200MAH Charger time: 2Hours Standby time180Hours Frequency:20Hz-20 KHz Stereo: Yes Super Bass: Yes Build in Microphone: Yes Transmitting Distance: within 10M Functions: Call Function,Music,FM Radio,3.5mm Aux Compatible: Smart Phone,Tablet,All bluetooth device,All device support 3.5mm aux Packing List: 1* Bluetooth Headphone 1* Charging Cable 1* Audio Cable 1* User Manual