Wireless Bluetooth Headphones Hi-Fi Stereo 40mm Dynamic Driver Earphone 3.5mm AUX-In Foldable Over-head Gaming Sports Headset with Mic

Features:
Retractable head beam, earmuffs fold up and down, making it easier to store and carry. 
Transmission distance of 10 meters, stable transmission. 
Peripheral pluggable 3.5mm audio interface, suitable for various devices. 
The earmuffs can be rotated 90 degrees laterally and can be worn at multiple angles. 
  
Specifications:
Model: A770BL; 
Color:  Black; 
Wearing Type: Over-Ear; 
Net Weight (g): 199g; 
With Microphone: Yes; 
Volume Control: Yes; 
Bluetooth Version:  V5.0; 
Supported Profiles:  HSP/HFP/A2DP/AVRCP; 
Transmission Distance: 33 feet (10m); 
Frequency Response: 20-20kHz; 
Battery Capacity: 250mAh; 
Charging Time (h): 1h; 
Music Time (h): 12h; 
Call Time (h): 13h; 
Standby Time (h):100h; 
Connectivity: Bluetooth/ 3.5mm aux-in; 
  
Package Included:
1* Bluetooth Earphone; 
1* User Manual