Quick charge for earphones, 5mins charge for 2hrs playtime, 9 hours playtime and upto 30 hours playback with charging case
1.BT Version: 5.3 Chipset : JL 6983D;
2.Bluetooth profile: A2DP/AVRCP/HSP/HFP
3.Drive dimension: φ10mm;
4.Impedance: 32Ω
5.Frequency range: 20Hz-20KHz
6.Input Port : Type-C
7.Operating Distance: 10M
8.Sound track system: Stereo
9.Battery Earbuds: 50mAh Li-polymer with quick charge;
Charging case capacity: 300mAh Li-polymer
10.Working Time: about 9hrs(100% volume)

11.Charging time: earbuds 50mins, charging case 1.5hrs
12.Qty. of charging earbuds from case: ≥2times
13.Weight of earbud: 3.9g*2
14.Weight of charging case: 40g