True Wireless Headphone with Emergency Power Bank, Mini Invisible in-Ear Earphone Sweatproof with Microphone

Specifications:
* Bluetooth version: 5.0                         
* Chipset: RTL
* Range: 10M
* Charging time: 2hour
* Working time: 5hours
* Standby time: 180+ hours
* Battery Capacity: 50mAh
* Speakers: 10MM
* Frequency Response: 20HZ-20000HZ
* Impedance: 32Ω
* Sensitivity: 110db±3db
 
Packing List:
Gift box size:20*13*3cm  Carton size:42.5*31*15.5cm  QTY:20pcs/carton  N.W:2.4KG/G.W
:2.9KG
 
Package Contents:
1* bluetooth headphone  1* user manual  1* charging cable  2*pairs of ear cap