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Bone Conduction Music Box Listening to music does not hurt you ears Subversive innovation is tailored to soothe your sleep Bone Conduction Music Can Improve The Quality Of Sleep External sound will noisy other people Wearing headphones for too long will be uncomfortable and it will also cause certain damage to the ears Bluetooth 5.0 With Large Capacity Battery Built-in 300mah battery , can work for 6-8 hours afterfully charged , 300 hours standby Bone Conduction Chip Vibration And Sound Exquisite craftsmanship real craftsman quality Only need to be placed under the pillow to turn on,no need to wear and ears,long-term use without harm No Burden Help Sleep Bone Conduction Music Box No matter day or night always no harm to ears Music shields the noisy surroundings during the day and enjoys rest at ease Simple Operation And Convenient Charging Long press to power on and wait for Bluetooth pairing, and play music after successful connection and pairing