Sleep Earbuds for Side Sleepers Invisible Bluetooth Ear Buds Sleeping Headphone

Headphone Battery Capacity: 30mAh. Bluetooth Headset Transmission Distance:<10m. Bluetooth Version: 5.3. Charging Port: Type-C Charging Port. Frequency Range: 20HZ-20KHZ. Signal-to-Noise Ratio:>90DB. Feature:IPX5 Waterproof and Dustproo.

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