●Style: Headset/over ear 

●BT Version:  V5.3

●BT Noise reduction chip: JL7018F

●Audio range:  20Hz-20KHz 

●Frequency Range: 2.402 ~ 2.480GHz

●BT profiles : HSP,HFP,AVRCP,A2DP,AAC,SBC

●Emission range:   ≥ 20 M

●Support Active Noise Canceling:feedback

●Support Voice Assistant Siri

●Support low delay game mode

●Battery:  Real 400mAh,with protection plate

●Music/Talk times-normal mode:  About 40h

●Music/Talk times-ANC mode:About 30h

●Stand-by time:  1000 hours

●Noise frequency width: 50-800Hz

●Noise reduction depth :Real 20dB±2  

●Aux line in: 3.5mm socket  

●Speaker: φ40mm/32Ω bass music

●Microphone: -42dB±3 

●SNR:  ≥95dB 

●Speaker Sensitivity: About 118dB±3

●Packing: 40pcs/CTN/12.5kg/ 60*38*48cm