Description: Bluetooth: 3.0+EDR Support: L2CAPA\/A2DP(AVCTP\/AVDTP\/AVRCP), can receive AUDIO signal and control the AUDIO device. Support HSP\/HFP(Handsfree profile) Built-in Mic for hands-free phone call Working Distance: 10m SNR: ≥95dB Battery: 3.7V 600mAh Mah Normal Volume Playing TIme: 2H Speaker Driver: Ø40mm Power: 4Ω\/3W Frequency Response: 120Hz~18KHz Unit Size: 60mm x 60mm x 77mm Charging: 5V\/500mAh Color: Blue\/Blue\/Black Package Included: 1 x Bluetooth Speaker 1 x USB Audio Charging cable 1 x User manual