•Bike-mounted Design: The speaker is designed to be mounted on a bike conveniently. It can be easily fixed onto the bicycle handlebars or frame without using additional brackets •Bluetooth-compatible Connectivity: With Bluetooth-compatible connectivity feature, the speaker can connect to your phone, tablet, or other devices. Enjoy high-quality music and wireless radio reception while riding your bike •High-Quality Sound: The bike Bluetooth-compatible speaker provides clear and powerful sound quality, whether playing music or listening to the radio. You can enjoy an excellent audio experience while riding your bike •Waterproof Design: Waterproof design allows for use in damp or rainy conditions without worrying about damage from water exposure •Multi-functionality: The speaker supports FM radio reception, enabling it to function as a radio station for added convenience Specification: •Bluetooth-compatible version: V5.3 •Transmission range: 10M •Signal-to-noise ratio: ≥90db •Battery capacity: 500mAh •Built-in voltage: 3.7V •Playing time: about 3-5H •Horn size: 45mm*1 •Horn power: 5W*1 •Charging input: 5V/0.5A •Size: 50*100*72mm •Weight: about 214g Package included: •1 x Bluetooth-compatible Speaker •1 x Charging Cable •1 x Mount Bracket •1 x English and Chinese User Manual •Other items not include