Amazon.com has PICTEK Bluetooth Speaker,[20W 30Hours 4400MAH]Wireless Bluetooth Speakers with Dual-Driver,Portable Stereo Outdoor Speakers,20W Dual-Driver,Shockproof Waterproof Splashproof,Built-in Mic for £15.59 AC code: YSZMWPZA
【 SOUND BEYOND SIZE:】 This portable speaker delivers two 10W drivers and one passive radiator which provide full-spectrum audio with incredible bass effect and clarity at any listening level. Enjoy LIVE music anytime, anywhere you go! (with 30-Hour Playtime 20W 4400MAH Dual-Driver Shockproof Waterproof Splashproof Superior Sound)
【 30HRS PLAY TIME on Mid/Low Volume Mode:】 The rechargeable 4400 mAh lithium-ion battery delivers up to 30 hours of playtime on the Mid/Low Volume Mode, and charges with most USB power sources. Be prepared to be impressed by the power of this Pictek speaker!
【 Engineered To Travel:】 Don't leave your music behind. Enjoy wireless freedom with this little speaker. Weighing in at just 24.5ounce, it's small and light enough to tuck into your bag. It has a hook that lets you place it almost anywhere and provides a low center of gravity that makes it nearly impossible to tip over
【 Hear What You Want:】 Advanced Bluetooth 4.0 technology features faster & stable signal transmission, clearer sound quality and lower power consumption. You can enjoy clear, natural sound from this durable speaker within 33ft wirelessly.
【 IPX4 Waterproof Rating & Splash-proof:】 What could be more fun than bring a splash-resistant and anti-shock speaker to a party at the beach? Waterproof rated IPX4 for protection against rainfall and splashing.