Bluetooth Headset Air

Bluetooth Version:  5.0                         Frequency: 2.4GHZ Sensitimty: 38 DB                                  Net Weight: 5G 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 ---------------------------------------------------------------------------------------