Features: 1.Wrist-Wearable Design: Designed to be worn on the wrist, this running wrist watch allows you to conveniently mount it on your wrist. 2.Bluetooth-Compatible Connectivity: Equipped with Bluetooth-Compatible connectivity, bike cycling audio watche can easily connect to your smartphone, tablet, or other devices. Enjoy high-quality music and the thrill of wirelessly listening to the radio while cycling. 3.Superior Sound Quality: The bicycle Bluetooth-Compatible speaker watch delivers exceptional sound quality with clear and impactful audio. Whether you're playing music or tuning into broadcasts, you'll experience outstanding audio performance. 4.Bluetooth-Compatible Camera Control: With the Bluetooth-Compatible camera control feature, you can effortlessly control your phone for convenient photography. 5.Multi-functionality: This sports wrist audio selfie hand watch supports FM radio, serving as a versatile radio that also displays time, functions as an alarm clock, and includes a stopwatch. Enjoy a range of features in one compact device. Specification: Size: Approx. 70mm (2.76in) x 45mm (1.77in) x 25mm (0.98in) Model Number: Bicycle cycling sound Battery Capacity: 400mah Charging Method: USB charging Color: Silver grey Material: Metal+Plastic Package Contents: 1 x Watch Bluetooth Speaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.