Besteker Outdoor Silicon Drop Resistantance Portable Wireless Speaker Waterproof Bluetooth Speaker Blue (Blue) WATERPROOF SPORTS SPEAKER: The soft silicon cover and hook make sure its drop resistance and waterproof, give you a great outdoor experience. PRACTICAL AND POWER SAVING: Support Bluetooth connection (In 10 meters) and TF card. Charging via USB cable for 2 hours will be enough. LOVELY APPEARANCE: Colorful and soft silicon cover, cute and comfortable to use. MINI SIZE AND LIGHTWEIGHT: 60g and 50*180mm, portable design makes you can bring it anywhere. DUST PROOF AND DROP RESISTANCE: With stainless steel speaker mesh, suitable for indoor and outdoor use.