True wireless bluetooth earphone,Portable and fashionable design,long time playing.Stereo Sound quality with strong bass.

*Bluetooth Version:V5.0+EDR *Bluetooth Profiles:A2DP/HFP/HSP/AVRCP *Transmit Power:Class2 *Frequency Range:2.402～2.480GHz *Ambient Noise:≦90bdB *Transmission Distance:10M *Battery:25mAh/3.7V(rechargable lithium battery) *Charging box battery:250mAh *Charging Time: about 2 hour *Talk time: 5-6 hours, standby: 160 hours *Music Playing Time: Music About 4-5hours (The Volume will affect the time) *Frequency Response: 20 ~ 20000Hz *Impedance: 32 ohm