Keywords: Mini Wireless Sports Earphone / Stereo-Ear Sweatproof Earphones with Noise Cancelling / Mini Earbud HD Stereo Earphone
Bluetooth version: V4.2+EDR2.
Working range: up to 40 feets on open air
Frequency: 2.4GHZ
Working time: using one earbud:5-6hrsUsing both earbud:4-5hrs(Support incorning call number, IOS system power display.)
Standby time: 100 hours
Charging Time: about 1-2 hour
Battery capacity: Internal 65mah rechargeable Li-ion battery.
Sweat proof: Sweat proof material of shell to ensure high quality sound when sports use.
Working temperature: 10—55℃