ZEALOT S1 Multi-in-1 Function Bicycle Speaker Long Playtime Bluetooth Speakers Music Player/Torch/Power Bank/FM Radio(Red) All-in-1 MULTI-FUNCTION: Micro SD MP3 player(Support SD/TF card up to 32GB ), emergency flashlight provider, backup phone charger, auxiliary port to use as line-in speaker, Bluetooth wireless controls, FM radio, hands free calling, data transmission...it's a super transformer and SOS man whom you want to be with anytime FULL HIGH-DEF SOUND: Built-in 40mm Neodymium stereo amplifier presents you live experience in talking on phone and surprising fullness from this portable wireless speakers. Enjoy an impressively crystal clear sound quality and robust bass. PLAY ALL DAY LONG: The built-in 4000mAh rechargeable battery enables a breakthrough 6-12 hours of playtime(up to 24 hours by TF card play).You can jam through a full day, and it can turn into a power bank as well, the capacity can charge twice for iPhone! RUGGED BODY: Splashproof, Dustproof, Shockproof design. Equipped with full outdoor accessories: bike mount & carabiner & protective silicone sleeve case. BEST CYCLING COMPANION: Fashionable design shows it's not only a Bluetooth speaker at home, its coca cola bottle sized body makes it a better bicycle companion outside. Designed to mount on bike's handle-bar, it gives you a rocking stereo cycling journey in day and night. By simply pressing the power button, torch light (3 light modes) enlightens your way and can be perfectly used in outdoor hiking and emergency moments.