Bluetooth chip:Bluetrum 5656C V5.4
Bluetooth support:A2DP\AVCTP\AVDTP\AVRCP\HFP
Transmission distance:10meters
Driver Diameter:16mm 32±15%ohm
Frequency response:2.42-2.48GHZ
Headphone battery:30mAh, 3.7V
Charging box battey:280mAh
Charging voltage:DC 5V
Speaker sensitivity:118.2dB±3dB
Mic Sensitivity:-42dBm±3dB
Charging time:about 1.5Hours
Work time:about 4.5 hours
Standby time:about 60 Days
Product Size: 52.7*44.2mm/53g
Material:ABS
Color:Purple,Black,Beige
Features:OWS
earbuds answer/hang up/reject a call/pause/play/volume down/up/comfortable to wear
