Luminous Bluetooth Earphones, Headworn B39 Mobile Phone, Wireless Esports, Game Headset, Foldable Card Insert, Universal Features: BASS wireless Bluetooth earphones, stunning bass Bluetooth 5.2, high-definition calls. Gradual lighting effect, flowing light and color, making game wearing more cool. Gradual lighting effect accompanied by music adds to the emotional of life. 360 ° panoramic field, three frequency balanced natural sound production. Stable transmission distance of 10 meters, low latency continuous connection, almost no delay when watching videos or music. High capacity battery, using low-power micro power technology, meets the listening needs of most environments. Product Description: Bluetooth version: V5.2 Transmission distance: obstacle free 10 meters Usage mode: Bluetooth/card insertion/cable insertion Battery capacity: 400 Range: approximately 7 hours Bluetooth earbuds; wireless earbuds; earbuds wireless bluetooth earbud & in-ear headphones; wireless bluetooth earbuds bluetooth wireless earbuds; wireless ear buds; wireless bluetooth earphones sports headphones; waterproof headphones headphones wireless bluetooth; bluetooth headphones