Feature: 1. Not in the ear design , but with the sound wave transmission directly to the Sound Sense System , you can enjoy high quality music without hurting your ears. 2. The ecological diaphragm loudspeaker with large moving coil is equipped with non destructive audio transmission to create a real surround sound field. 3. Play games , listen to music , watch movies , etc. and experience games and music. 4. The ear hook design allows you to exercise vigorously without worrying about falling off. 5. ABS material , headphones fit the skin well , are comfortable to wear and do not feel uncomfortable. Specification: Condition: 100% brand new Item type: Wireless bluetooth headphones Material: ABS Color: As shown Weight: Approx. 108 g Product model: K08 Bluetooth version: 5.0 Use radius: 8 15 m ,26.2 49.2 ft Battery capacity of the headphones: 145 mAh Charging time for the headphones: approx. 90 minutes Duration per music playback time: approx. 8 hours Pairing when switching on: red and blue lights flash alternately Charging the headphones: Long bright red light Headset fully charged: indicator lamp goes out Please use the 5V ,1A charger to charge the earphone and unplug it when it is fully charged. Package List: 1x headphone , 1x connection cable , 1x instruction