Bluetooth Version:  5.2                         Frequency: 2.4GHZ
Sensitimty: 38 DB                                  Net Weight: 10 G
Transmission Distance: 10M (33ft)           Charging Time: 2 HOURS      
Talking Time: Upto 4.5HOURS                 Standby Time: 72 HOURS
Input: 5V = 1A                      Dimension: 52MM *15.6MM * 10MM

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