Bone Conduction Earphones Wireless

    Please note: Lenovo X3Pro is IPX56 waterproof, Built-in Bluetooth 5.3, Bone Conduction Headphone Lenovo X4 is IPX56 waterproof, cannot be used for swimming, no storage, Bone Conduction Headphone Lenovo X5 is IPX8 waterproof, can be used for swimming, with 8G storage MP3 Player, Bone Conduction Headphone   X3 Pro: 1. Lenovo X3 Pro BT headset true bone conduction, all sound is produced by patented vibrator. Truly achieve the ideal effect of not damaging the eardrum. 2. 16MM Large moving unit,upgrade the sound quality again and make the sound more penetrating 3. BT 5.3 technology bring faster paring with your device and more stable connection with ultra-low latency. 4. With ergonomic on-ear design, only 25g in weight, super stable and o sense of weight wearing experience. 5. Seven Hour lasting endurance to meet your using needs, IP56 Sports waterproof, effectively reduce sound leakage   X4: 1. True bone conduction, no speaker, internal vibration and sound; 2. IP56 gr