Product Characteristics: Transmission Range: 15 meters Wireless Charging Functions: Noise Reduction Bone Conduction Breathing Light Ultra-long Endurance Call Function NFC Function Voice Control Music Support Sleep Mode Digital Display Screen E-sports Low Delay Others Bluetooth Protocol: 5.0 Bloch Usage: Headphone plug type Sound Type: Single double-sided stereo sound Color Options: Silver Crystal Carbon Black Gold Rose Chips Type: A type of chips Battery Life: More than 8 hours Ideal for: Sport Games Waterproof Performance: IPX7 Material: Metal