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 LONG BATTERY LIFE: Lasts up

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)

you can also upgrade their headset's headband

noise attenuation: 50-1

Acoustic Focal's Core Expertise The speaker driver has been given a 100% Mylar suspension

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 LONG BATTERY LIFE: Lasts upBrand: 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