Wireless Version: 5.0
Transmission Frequency: 2.4GHz
Working Range: 10 meters
Standby Time: 8 Hrs
Music Play Time: 1 Hr
Charging Time: 1.3 Hrs
Support Protocol: A2DP, AVRCP, HFP
Frequency Response: 45Hz-16KHz
Speaker Unit: (50mm 3W)*2
Support TF Card, can play MP3 format audio.