Response frequency (Hz): 20-20000
Charging time (H): 1 hours
Battery capacity: earphone 35mAh
charging box 300mAh
1 Pair of Earphones
1 * Charging Case
1 * USB Charge Cable
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.