Bone Conduction Headphones Bluetooth-Wireless Open-Ear Headset Beanie Hat Off site call mode (support

Off site call mode (support headset

you can insert the sponge plug in your earComfortable Wearing -Bone conduction headphones body

There are 2 sizes for you to choose from

silica gel

Bone Conduction Headphones Bluetooth-Wireless Open-Ear Headset Beanie Hat Off site call mode (supportBone Conduction Technology : you needn't put the headphones into your ears, protect your hearing and you can hear sounds around you. If you are talking or listening to music in a noisy environment, you can insert the sponge plug in your earComfortable Wearing Bone conduction headphones body , titanium headband and soft silicone patch closer to head, more comfortable to wearLarge Battery Capacity A full charge take 2 hours supports standby time up to