Speaker Diameter: 40mm

Speaker Impedance: 32 ohms

Speaker Rated power: 20mW

Headphones Rated power: 52mW

Sensitivity: 108dB

Charging current: 200mA

SNR: ≥90dB

Distortion: ≤3%

Battery type: Lithium-ion polymer battery 195mAh

Music playback time: 10 hours

Talk Time: 10 hours

Standby time: 26 days

Charging time: 2 hours

Charging Interface: Micro USB type B

Wireless transmission distance: Accessible block: 10M

Built-in microphone: Yes

Microphone Sensitivity: -42dB

Headphone type: Full-size (Universal)

Earmuffs Type: ear type

Headset Weight: about 240g

Headphones Dimensions: (L * W * H): 180 * 176.8 * 62.8 mm