Wireless charging tws earbuds for sport&music

Specifications:
1.Version: Bluetooth 5.0 
2.Bluetooth Chipset: Bluetrum
3.Earphone Battery Capacity:50mAh 
4.Charge case battery capacity:400mAh
5.Working range:10M
6.Playing time：5hours
7.Charging time: 1-2hours
8.Frequency :2.4GHz-2.485GHz8. 
9.Speakers: 10mm
10.Frequency Response: 20HZ-20000HZ
11.Impedance:32ohm
12.Sensitivity: 96db±3db
 
Packing List:
Gift box size:10*10*3.5cm
Carton size:52*42*19cm
QTY:100 pcs/carton 
N.W:8.70KG/G.W:9.10KG
 
Package Contents:
1* bluetooth headphone 
1* user manual 
1* charging cable