Wireless Bluetooth 5.0 Earphone Portable Single Earbuds Heavy Bass HD Calls Headphone with 2200mAh Power Bank

Features:
1. Large Capacity: Charging box has 2200mAh large capacity batteies. 
2. High-frequency Technology: Graphene bass diaphragm, HIFI high-frequency technology, 8MM dynamic speaker unit. 
3. Good Function: HD call, play and pause, answer and hang up, Siri, switch to previous song, on/off, auto power on, intelligent noise reduction, no delay in game. Note:  The product is single earphone. Only has one earphone. 
  
Specifications:
Color:Black, White, Beige; 
Wearing Type:In-ear; 
Material:ABS+PC; 
Net Weight (g):27g/114g; 
Technical Parameters:
Microphone:Yes; 
Bluetooth Version:V5.0; 
Transmission Distance:10m; 
Impedance:32Ω; 
Frequency Response:20-20kHz; 
Battery Capacity:Charging box: 2200mAh, 3.7V; 
Earphone: 50mAh, 3.7V; 
Charging Time (h):1-2h; 
Working Time (h):3-36h; 
  
Package  Included:
1* V21 Single Wireless Bluetooth 5.0 Earphone; 
1* USB Charging Cable; 
2* Eartips