Sport Speaker, Ubetter Outdoor Portable Bluetooth 3.0 Speaker with Enhanced Bass and Built-In Microphone (Blue) Easy access to Hand free Talking / Volume up / Volume down / fast forward (skip) / Backward / Pause / Play / Power buttons. Universal compatibility with Android and iPhone tablets, smartphones, iPods, MP3, MP4 and other Bluetooth enabled digital players. High definition Bluetooth 3.0 audio wireless connectivity with seamless streaming and 6 hours of playtime. Small & Light-weight: it is only 3.15 x 1.45 x 3.15 inches, and 4.9 ounces. A carabiner hook is included, you can clip it to anywhere to want to. Multifunctional: TF card, FM, Remote SELFIE Features. Play the music automatically with a Micro SD card(card sold alone); Insert attaching charging cable to start FM mode; Remote SELFIE feature also allows photo from up to 30 feet away from phone.