1、IP65 Waterproof Grade: IP65 waterproof grade, no need to worry the weather in the wild, perfect for horse riding, beach, swimming pool, bathroom and other indoor or outdoor activities. 2、Wireless 5.0 Technology: Compared to other 4.2 wireless speakers, this cycling speaker can give you a more stable, continuous connection. 3、Specially Designed: Features an hour and clock display, and the adjustable clip design allows riders to enjoy music on a bumpy ride without worrying about the speaker dropping. 4、Long Play Time: Has a built in large capacity lithium battery, can play about 8‑10 hours with 60% volume. Therefore, you can enjoy advanced stereo sound for a long time. 5、Portable and Compact Design: This mini bike wireless speaker is easy to carry around. And it will come with a metal hook, more convenient to carry when going outdoor. Item Type: Bike Speaker Material: Plastic Application: For Outdoor Cycling Weight: Approx.314g/11.1oz Battery Type: Built In Lithium Polymer Battery, 800mAh 1 x Speaker 1 x Date Cable 1 x Manual 1 x QR Code Manual 1 x Hook