Bluetooth chipset: 5.0
Operating Distance: up to 10m(free space)
Bluetooth profiles: HSP、HFP、A2DP and AVRCP
Battery: Lithium battery 60mAh
Music playing time:3 hours
Charging time: 2 hours
Driver unit:10mm Neodymium
Sensitivity: 105dB±3dB
Microphone Sensitivity: -42dB
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