eHUB&reg; Portable 20 Watts Waterproof Bluetooth Speakers For Bike Riders & Outdoor Enthusiasts.Guaranteed 30 Hours of Playtime with 10000 mAh Rechargeable Battery.Shockproof, Dustproof, Waterproof! IMPORTANT: Our listing for this speaker has been hijacked by a seller named Looking Glass 49 and we have reported them to Amazon. This seller is using our listing to sell counterfeit items. Before placing your order, please make sure to check the Sold By which can be found somewhere below the pricing information. Please note that Shoppers Smart is the legal owner of this listing and the brand eHub. We will not be liable for any returns or defective items sold by Looking Glass 49. A bluetooth speaker that supports Wireless Music Streaming via New Bluetooth v4.1 Technology that can reach signal about 20 meters with no obstructions. Portable speakers with 30 hours play time and built-in rechargeable lithium battery. Supported Format of eHub wireless speakers bluetooth: WAV, MP3, WMA, FLAC | Easy to connect with computers, digital music players, cell phones and other audio devices. With built-in microphone and hands-free calling feature so you can conveniently pick up a call anytime, anywhere. Easy to carry, only 620g. Outdoor speakers with shock-resistant, waterproof, and dustproof design. With Loud Speaker Impedance of 4 and a Frequency response range of 100Hz-18KHz (11 feet)