Speaker: Ø10MM

Impedance: 32Ω±15%

Bluetooth standard: 5.0

Play time: about 4 hours

Material: ABS

Communication distance: 10 meters

Battery: Li-Polymer battery, headphone battery: 30mAh, Charging case battery: 250mAh

Standby time: Single headphone: 50 hours，Double headphones: 30 hours

Type: In ear, Ear bud, TWS(True Wireless Stereo)

Color: white and black