PRODUCT DESCRIPTION:??COLORS:blue， red， grey， green， brown??ABOUT ME:??Built-in Bluetooth Technology Works with Virtually any Bluetooth-Enabled Device (Smartphones， Tablets， PCs)??Silicone protective sleeve ensure Waterproof and shockproof function??Built-in 4000mAH battery， which can last for up to 10 hours on a single charge. This speaker can also be used as a power bank??This is a multifunctional bluetooth speaker which has flashlight， wireless bluetooth music， FM， TF card. Power Bank functions??Flashlight function.??I can be as a mobile power bank. My capacity can charge twice for your mobile phone. ?? I support MicroSD card， and Up to 32GB.??I has FM function. (fm function will better when i am plug in audio cable) ?? I am IPX5 waterproof and dustproof skid.??NOTE: DO NOT SOAK IN WATER， I ONLY SUPPORT WATER MIST-PROOF.??????????????????????????????????????SHIPPING:ship your order within 24 hours once your payment is confirmed.??DELIVERY:for the united states， it will take around 10-15 days to arrive after shipping， it depend your shipping address and customs clearance， it will take more days to arrive europe countries.??ABOUT STORE: we are a professional electronic bluetooth speakers， bluetooth headset company. we have professional R&D team， we have own factory， own warehourse， own sales team and customer service. buy from us that choose the professional team to service for you.??FEATURE: 01. battery capacity: 4000mAH 02. bluetooth version: csr 4.003. transmission distance: 10m04. input voltage: 5v/1A05. output voltage: 5v06. output power: 3w07. work voltage: 3.7V08. led lamp power: 1W09. 3 led modes: normal， weak， flash10. speaker: 4??11. snr: ??90db12. frequency response: 20hz - 20khz13. distortion: 1%14. music time: ??5hrs15. standby time: ??30 days16. size: 156 x 51 x 51 mm17. color: blue， red， grey， green， brown18. weight: 260g??PACKAGE INCLUDE:1 x S1 bluetooth speaker1 x usb charge cable1 x user's manual