Rocktech Waterproof Outdoor Speakers, Wireless Bluetooth Speaker 4.0 with 2 X 5 W Drivers, Built-in MIC / AUX Input / Outdoor LED Flashlight for iPhone Samsung and Other Smart-phone, 8 Hours Playtime Equipped with the advanced CSR4.0 Bluetooth technology, easy to pair - no code/pin needed, at a distance up to 33 feet/10 meters Built-in microphone allows you to use the speaker for phone calls - perfect for hands-free calling Built-in 2200 mAh rechargeable battery and one-click flashlight, longer than 8 working hours, safe and convenient for outdoor and indoor in darkness With 2 * 5W loudspeakers, this water-proof Bluetooth speaker supports any Bluetooth-enabled and AUX-input devices such as IOS (iPhone) & Android, tablets, iPad, laptop or MP3 players, PC, laptop, etc. The beautiful sealed silicone cases and interface design ensure water resistant, shockproof, dust-proof, abrasion-resistant, suitable for outdoor travel and cycling