AOWOTO Outdoor Ultra Portable Wireless Bluetooth Speaker , hands Free Waterproof Shower Speaker with Tf Card Compatible with All Bluetooth Devices [Blue] With wireless Bluetooth2.1+EDR technology,easy to connect the devices with Bluetooth function manually(Bluetooth signal valid distance 33 feet),AUX input,equipped with a audio jack for non-Bluetooth devices,Build-in HQ MIC for hands free calls anywhere Safely&Securely Portable-Small and Lightweight-8.3cm in diameter, thickness 4cm;With a strong carabiner clip hook this compact speaker clips easily onto a back pack, kitchen rack, workshop, carrier bag, bicycle etc. which makes it ultra portable and useful at home, work or play with Lifetime Warranty Jaw-dropping Sound Quality and Volume ,built with a 3W speaker It's zinc alloy base which can enhance the texture of the whole, but also reduce the frequency of loss of a good bass sinking protect bass.Excellent mid range and treble,20% more bass than other speakers of such size Waterproof Rated IP5, Dustproof Rated IP35,for perfect protection against Water and Dust. TPU tenacity exterior 0.16" high strength zinc alloy skeleton for ultimate supply perfect Shockproof. TPU Silicone overall sealed, control keys, external interface closely guarded Waterproof and Dustproof Unrivalled 8 to 12-hour playtime powered by a built-in rechargeable 800mAh Li-ion battery;Support TF card music playing, high capacity 32 GB of TF card;skip songs and forward/back/pause/play and control voice volume from the speaker;A key reset function