If you're passionate about IT and electronics, like being up to date on technology and don't miss even the slightest details, buy  Headphones JBL JR310 BT  at an unbeatable price.
Type: 
Wireless
Headphones
Country/Region of manufacture: China
Colour: Green
Material: Plastic
Characteristics: 
Built-in microphone
Guarantee
Installation guide included
32 Ohm
Built-in battery
Connections: 
USB
USB-C
Jack
Connectivity: 
Bluetooth
Wireless
Bluetooth 5.0
Connection: USB
Batteries: 1
Cable length: 1 m
Gender: Unisex
Range: 15 m
Approx. autonomy: 30 h
Rechargeable lithium battery: 400 mAh
Frequency: 
20 - 20000 Hz
2,4 GHz
Approx. charging time: 2 h
Control: Button
Battery: 
Yes
Litio Ion
Lithium polymer
Quantity: 1 ud
Recommended age: Adults
Function: Fast and safe charging
Connector: USB C
Control type: Dynamic
Recommended use: Music