Headset Card Folding Bluetooth Headset Call Subwoofer Stereo Headset

Color: black, blue Support customization: support Bluetooth protocol: 5.0 Transmission range: 10 meters Chip Type: Jerry Licensed private label: Yes Waterproof performance: life waterproof Whether single ears: bilateral stereo Battery life: more than 8 hours Function: waterproof, noise reduction, long battery life, call function, music support Material: Plastic Usage: Head-mounted Mold Type: Private Mold Style: Industrial style