It's called the Blaupunkt BLP4632 wireless headset

For use in the manufacture of headphones

Enjoy over 7 hours of wireless listening with this Bluetooth headset. Make your calls with its built-in microphone and enjoy the comfort of the padded ear pads.

• SPECIFICATIONS
• Power supply: DC 5V 1A
• Maximum power consumption: 0.5W
• 200mAh lithium ion battery
• Sound power: 30mW
• Maximum transmission power: 3.98mW
• Radio frequency: 2.402-2.480GHz
• Frequency range: 20Hz to 20KHz
• Bluetooth compatible version: 5.0
• Bluetooth connection distance: 10 m
• Time spent listening to music: 5-6 hours (50% FOL)
• Charging time: 2 hours
• Size: 170 x 190 x 80 mm
• Weight: 180 g
• Manufacture from materials of any heading
• Mini-USB cable
• Manual of the user