*Frequency Response Range：2.402 G ~ 2.480GHz

*Bluetooth Version： V5.3

*Bluetooth Profiles： HSP,HFP,AVRCP,A2DP,APTX

*FM frequency: 87.5-108.0MHz

*Charging Time: 2-3 hours

*Standby Time:1000 hours

*Music Playing time: About 15 hours

*Talking Time: About 15 hours

*Operation Distance: 20 meters

*Battery: 400mAh Li-PO Battery,with protection plate.

*Speaker: φ40mm/32 Ω

*Packing: 40pcs/CTN/14.5kg/ 60*38*48cm