The BL13 are the lightest headphones to date. They have amazing sound, a long battery life, and quick charging so you can stay alert and inspired during any workout. Safety is the top priority for many. Your ears remain completely open thanks to our bone conduction technology, which enables you to stay alert and connected throughout the day in earless comfort. By making bone conduction technology available to everyone, we stretch the boundaries of conventional audio and enable situational awareness and high-quality sound. Bone conduction headphones transmit sound through your cheekbones without passing through the external auditory canal, ideal for protecting your hearing from long-term audio life. Perfect for those who like to listen without causing hearing damage. (If listening to music in a loud environment, put the sponge plugs in your ears for a louder, clearer sound)

• The latest Chipset brings faster and more stable connections, combined with our latest innovative technology, these bone conduction headphones can greatly reduce natural sound leakage and offer you premium sound quality. The built-in microphone achieves clearer phone calls.
• To avoid danger when running on the road, also stay connected with your family and listen to your child's needs while doing chores
• Open design lets you not need to put headphones in your ears, lightweight body and flexible titanium headband reduce pressure on ears, soft silicone patch softens cheekbones skin
• 2 hours full charge supports 8 hours of continuous music playback or 140 hours of standby
• Bluetooth 5.0 connection provides convenient multi-point pairing, compatible with iOS and Android Bluetooth devices. Pairs with smartphones, tablets, Macs, PCs, and laptops. port memory card, you can store enough songs, so that music is not bound by your mobile phone.
• Suitable for people who love outdoor activities, such as running, hiking, cycling, etc. It is also suitable for people who wear headphones for a long time but need to prevent hearing loss. Also, bone conduction earphones are helpful for people with mild hearing loss who can hear the sound of teeth colliding

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