JBL Flip 4 Waterproof & Portable Wireless Bluetooth Speaker - TealJBL Flip 4 Waterproof & Portable Wireless Bluetooth Speaker. Teal color design. Universally compatible with most Bluetooth smart devices including iOS and Android smartphones. Features: Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns playing impressive stereo sound. Built in 3000mAh rechargeable li ion battery Supports up to 12 hours of playtime. Ipx7 waterproof means no more worrying about rain or spills; you can even