B2 Wireless Bluetooth 5.1 Foldable Noise Reduction HeadsetFeature: 1. Upgrade Version5. 1 Bluetooth, no delay, efficient and smooth continuous conneciotn; 2. Rotatable folding microphong, practiocal but not cumbersome; 3. Ultra long battery life design, charge once for a week 4. 40mm large moving coil unit, the original sound is close at hand. 5. Support both wireless and wired modes, to meet different usage scenarios. Description: 1. Bluetooth Version: V5. 1 2. Bluetooth Distance: 10m 3. Battery: 3. 7V

Anti-shake: YES

Clear Communication: Noise reduction technology allows for clearer voice calls

Be free to choose exchange your left and right ear wearing

PS2 and USB two interfaces to meet different needs

4GHz frequency band

ensuring accessibility for users worldwide

the hard disk cannot be installed

smart features

Power: Universal 5th battery (excluding battery)

Faster Loading: Experience faster loading times for apps

Carton Size 59cm * 48cm * 33cm / 23

Mate 70 Pro+