Description:This wireless earphone is convenient to connect and the signal is stable and fast.This bluetooth-compatible headphone features a large capacity battery that can provide about 4 hours of play time.These wireless earphones are basically two individual earphones. You can connect one earphone to one device.This wireless headphone is comfortable to wear, it is consistent with an ergonomic design.This wireless headset features wide compatibility. It can connect to a phone, tablet, and so on.Specification:Color: Black, white.Bluetooth-compatible version: 5.0+EDR.Protocol: a2dp, avrcp, hsp, hfp, spp, pkf.Control method: Touch.Reminder: English.Transmission range: about 5-10m.S/N rate: 70dB.Waterproof: IPX7.Material: ABS.Battery: Li-polymer battery.(Built-in)USB output: 5V, 1A.Charging type: Charging case, USB, earphone adsorption.Battery capacity: 50mAh, 2000mAh.Earphone charging time: About 1-2 hours.Call time: 3-4 hours.Play time: 3-4 hours.NoteThere might be a bit color distortions due to different computer resolutions.There might be a slight errors due to different hand measurement.Package included:1x Pair Earphone.(Left & right)1x Charging case.1x Charging cable.4x Earphone tips.1x User manual.