SlimBuds Headphones - Fit Under Any Helmet - Wireless Slim Helmet Headphones - Reduces Wind and Engine Noise - Wind Resistant Mic - HD Sound w/Bass - for Motorcycle, Ski, Biking and Everyday Use Audio-Technica you can also upgrade their

you can also upgrade their headset's headband

Sony audio experience: SBH20 delivers dynamic stereo audio with rich bass and clear treble

LONG BATTERY LIFE: Lasts up to 5 hours on a single charge and powerbank which provides a 100 hours charge

500 Hz using 1 AAA battery (not included)

SlimBuds Headphones - Fit Under Any Helmet - Wireless Slim Helmet Headphones - Reduces Wind and Engine Noise - Wind Resistant Mic - HD Sound w/Bass - for Motorcycle, Ski, Biking and Everyday Use Audio-Technica you can also upgrade theirBrand: SlimBuds Color: Grey Black Features: SECURE FIT UNDER ANY HELMET: The slim design and silicone ear hooks allow these headphones to be worn under any helmet whether half, three quarters or full face without falling out or being pulled out of your ears. No more fighting with annoying ear buds. VERSATILE WIRELESS HEADPHONES: Whether you're cruising on your bike down the coast or walking to the store, these headphones are practical for everyday