{Waterproof Sports Speaker}, Wireless Mini Smart Portable Handheld Speakers Bluetooth 4.0 with 12 Hour Playtime, Shockproof IPX54, Remote Shutter Control with 7W Powerful Drive and Bass Enhance Technology for Outdoors Sports Travel Bicycle Cycling Climbing Camping Hiking Running Fishing (Army Green) Newest Bluetooth CSR 4.0 Technology - Connect your device in 3 seconds, outstanding connection range of up to 35 feet, power saving, low consumption, faster and more stably transfer IP Rated IP54 designed as an Outdoor Sports Speaker and Shower Speaker rugged construction TPU outline with Splashproof & Shockproof & Dustproof& functions make it suitable for outdoors and shower Specific remote shutter control function, have fun of taking selfie with this speaker. The unique function of selfie---press the button to control your shutter and take selfie anytime (work with IOS devices) Two 40mm total 7W premium acoustic drivers play a full-range, abundant stereo audio. Built-in Li-Ion 1700 mAh rechargeable battery guarantees up to 12 hours playtime ( recharge in just 3-4 hours with included micro USB cable), Standby time can be even up to 24 hours You can choose to play your music through your Smartphone by connecting the Bluetooth, or insert SD card in the card slot to choose the SD Card Mode. Works with Virtually any Bluetooth-Enabled Device (Smartphones, Tablets, PCs, MP3 Players, etc.)