. Fosi Audio B2 Bluetooth IPX7 Waterproof Shower Speaker with 24H Playtime Supports True Wireless Stereo (TWS) Sound Mode for Outdoor, Hiking, Camping, Boating. About this item WIRELESS STEREO PAIRING - Adopting the perfect sound cavity design, this wireless Bluetooth speaker delivers rousing highs and punchy bass with remarking clarity and zero distortion. Get the double volume or huge stereo sound by pairing two B2 via a single device. 24 HOURS PLAYTIME - With a built-in 2000mAh rechargeable lithium battery, the Fosi Audio B2 small Bluetooth shower speaker gives you up to 24 hours of playtime (at moderate volumes) on a single charge. No need to bother with the small stuff like charging your battery. RUGGED DURABILITY - Featuring durable fabric material, rugged rubber housing, and an IPX7 dust and water resistance rating, the B2 waterproof Bluetooth speaker is primed for every type of weather and terrain. It floats, too, so it won’t sink if it falls off your boat. MUSIC ON THE GO - Comes with a compact design, this portable speakers Bluetooth wireless (15m range) is small in size (?11cm×3.8cm) yet with surprisingly big sound and punchy bass. Clip it on with the attached carabiner, press and play to provide the soundtrack for your adventures. INSTANT SETUP - Bluetooth 5.0 ensures this outdoor speaker Bluetooth waterproof maintains a strong, stable connection up to 49 ft away for skip-free music. Simply wirelessly stream music from your phone, tablet, or any other Bluetooth-enabled device. What's in the box What's in the box 1x Fosi Audio B2 Portable Bluetooth Speaker 1x Type-C Charging Cable 1x Hook 1x User Manual