Cynaps Classic Bluetooth Bone Conduction Cap with Removable Module - Available in Black, Grey and Stealth Add magnetic charging?:No These earphones are perfect for

These earphones are perfect for anyone who needs to stay connected while working

The module dimensions are 1

Whether you're on the job site or working around the house

helmet or hardhat

the it comes with its own charger

Cynaps Classic Bluetooth Bone Conduction Cap with Removable Module - Available in Black, Grey and Stealth Add magnetic charging?:No These earphones are perfect forTake calls and listen to music through vibration, leaving your ears free to hear your surroundings. Caps are sweat absorbing, keeping you cool and dry all day. It's easy to remove the electronics to wash the cap, or to re install them into any hat, helmet or hardhat. Battery life: Over 8 hours of continuous audio listening on average volume (varies by volume level) Maximum volume output: 85dB Charging time: around 1 hour Bluetooth Version: 4. 2