Bone Conduction Headphones - Lightweight Sports - Waterproof Bluetooth 5.0 Headset with Mic Comb Holder Transparent window convenience: Transparent lid

Transparent window convenience: Transparent lid design allows you to easily view the internal storage of items without opening the storage box

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can hook the wires inside and outside

Durable Material Advantage: Built with a resilient acrylic keychain base

Bone Conduction Headphones - Lightweight Sports - Waterproof Bluetooth 5.0 Headset with Mic Comb Holder Transparent window convenience: Transparent lidProduct description Color: black red Bluetooth version 5. 0 Effective distance: 10M Material type: titanium alloy soft TPE rubber Battery type: polymer 120 mAh Frequency range: 20Hz 20KHz Charging voltage: DC 5V 500mA Charging type: Micro USB Playing time: approx. 10 hours (test with medium volume) Standby time: about 10 days Charging time: approx. 2 hours Size: 158 * 110 * 48mm Delivery content: 1 x earphone 1 X charging cable 1 X manual 1. Easy to