Parameters:

Bluetooth solution: AD6983D4, V5.3,

Effective distance: 10M, SI-42dB +/-2,

Headphone lithium battery: 3.7V, 30mAh,

Charging case Lithium battery: 3.7V, 300mAh,

Music time: 4H,

Talk time: 3H,

Charging time: 1.5H,

Equipped with 25CM long charging cable, drawer box packaging