Wireless Headphones Bluetooth, SUDROID Bone Conduction Earphones Waterproof Headset Underwater Open Ear Hi-Fi Stereo Sound for Cycling Running Gym, Blue music_UK_update_2021 These tuning forks are made

These tuning forks are made of aluminum

5W Output current：<6A(each circuit) Output power： 5V:<30W

4V)10 ZMM2V7 (2

[Features]: Adopt plastic injection process

METRA 40EU10 Antenna Adapter

Wireless Headphones Bluetooth, SUDROID Bone Conduction Earphones Waterproof Headset Underwater Open Ear Hi-Fi Stereo Sound for Cycling Running Gym, Blue music_UK_update_2021 These tuning forks are madeWireless Headphones Bluetooth, SUDROID Bone Conduction Earphones Waterproof Headset Underwater Open Ear Hi Fi Stereo Sound for Cycling Running Gym, Blue Bone conduction headphone, IP68 waterproof, come with adjustable silicone band, comfortable to wear, protects hearing well, suit for most people. Bone conduction headphone the sound vibrations go, by bone, straight to the inner ear, instead of insert your ears, it's protects your hearing well.