Bluetooth specification: BT version V2.1+EDR
Bluetooth profiles: A2DP, AVRCP, HFP, HSP,Headset, handsfree,
Frequency: 2400.0-2483.5Hz
Norminal charging time: 2-3 house,
Talk time: Up to 7 hours
Music playing time: up to 6 hours
Standby time: About 180 hours
Operating distance: 10 meters Class II
Dimension: 15(L)*11(W)*7.5(H) mm
Weight: Only 100 g
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