1.Designed for Cycling EnthusiastsThis bicycle speaker features an adjustable bicycle mount and thick spacers, allowing cyclists to enjoy music during their bumpy rides without worrying about their FALL-EN speakers.2.IPX7 WaterproofThis bicycle speaker has an IPX7 waterproof rating, which makes it waterproof. So it won't be affected even in bad weather, making it perfect for cycling, beaches, pools, bathrooms and other indoor or outdoor activities.3.Bluetooth 5.0Compared with other wireless speakers with Bluetooth 4.2, this speaker provides you with a more stable and continuous connection.4.20 Hours Long Play TimeThis portable Bluetooth speaker can run for up to 20 hours at 60% volume. You can enjoy high-quality stereo sound!5.Portable and Compact DesignThis mini Bluetooth speaker is only 3.8 inches, making it easy to carry anywhere. And equipped with a metal hook, making your travel more portable.Specification:Colour: BlackDimensions: 11.2x9.7x4.6cm / 4.4x3.8x1.8inMaterial: ABS+PUWaterproof: IPX7Bluetooth 5.0Battery: 2200mAh Power output: 8WPlay time: 20 hoursPackage Contents:1 speaker1 stand1 charging cable1x audio cable