Product Type: In-Ear/Ear Hanging/Rear Hanging

Bluetooth version: V5.0

Receiving frequency range: 2.402GHz-2.480GHz

Effective receiving distance: ≥ 15 meters

Music playback: true stereo

Music playback time: about 10 hours

Talk time: about 10 hours

Standby time: 300 hours

Battery: 3.7V/110 mAh, polymer lithium battery with protective plate

Speaker specifications: φ10mm 16Ω good sound quality

Microphone: -42dB

Signal to noise ratio: ≥95dB