Bluetooth® supraural earphones. With Bone Conduction Technology. Features: Bluetooth® supraural earphones., With Bone Conduction Technology, generating a vibration detected by the bones of the internal ear.With this technology, the user's ear and eardrums are released, perceiving both the content being played through the headphones and the rest of the ambient sounds., Bluetooth® 5.3 connection, with hands-free function, micro SD card slot and integrated 250 mAh battery., Ergonomically designed, with integrated control buttons, LED charging status light and Type-C charging cable., Presented in an individual kraft design box, with instruction manual included., Bluetooth Connection., Battery 250 mAh. Materials: Plastic. Colours: Black, Black. Size: 13 x 4.3 x 10.2 cm | 27 gr. Packing: Kraft Box. Decoration Position: Left & Right controller. Print Size: 25 x 10 mm.