Trendwoo Wireless Bluetooth Speaker Super Ultra Bass Portable Stereo for iPhone iPad and More Speaker with Subwoofer: Powerful battery, the system delivers full stereo sound, X-BASS sound, separate from any mains supply, for up to 3-6 hours and is the perfect companion for the park, whilst camping or on the beach Bluetooth Speakers Portable: Trendwoo is a compact Bluetooth speaker that can be wirelessly connected to Bluetooth devices such as smart phones, tablets and computers to playback any music collection stored on them. Speakers for iPhone: A CSR Bluetooth chipset and the enhanced bass resonator offer class-leading performance for crystal clear; Incredible sound quality, with amazing sound for music, movies, games & gatherings Easy Bluetooth connection works with all Bluetooth-enabled devices: smart phones, pads, laptops and desktops, MP3 & DVD players, etc. Advanced Bluetooth 4.0+EDR version so that the pairing process could be faster. Make your connection go smoothly.