A13 four-speaker Bluetooth headset neck halter neck, new private model cross-border wireless in-ear sports Bluetooth

A13 four-speaker Bluetooth headset neck halter neck, new private model, cross-border wireless in-ear sports Bluetooth
Transmission range: 10 meters－Function: Call function, voice control, support music, 23573740467, 23576041043－Bluetooth protocol: 5.0－How to use: Neckband－Whether it is single and binaural: bilateral stereo－Color: Phantom Night Black, Bright Moon White－Support Support customization: Patent source: Mold type: Private Chip type: Torch－Battery life: more than 8 hours－Year/Season: /－Style: Sporty- Catalog No.: A13 T- Water resistance: IPX5－Material: ABS+UV process -