Awei TWS T15 Stereo Wireless Earbuds.

Bluetooth version v5.0 battery capacity 45mah * 2 / capacity 390mah drive unit 6mm product color black charging time 1.5h call duration 5h music duration 4h input charging standard dc 5v best talk distance <1m maximum transmission distance 10m voice prompt support bluetooth working frequency 2.402gh-z-2.480gh-z impedance 32ω sensitivity 92db ± 3db frequency response range 20-20000hz multipoint connection not supported wearing style in-ear manual chinese and english included accessories usb charging cable, instruction manual, size earbuds