Zealot S1 multifunctional Bluetooth speaker will bring you a new recreative experience! Fashionable appearance design with flashlight, wireless Bluetooth music, FM, TF card, power bank functions, make it more practical and useful. Its built-in 4000mAh battery, which can last for up to 8 hours on a single charge. Made of silicone protective sleeve for effectively waterproof, dustproof and shockproof functions. It is the best choice for you to relax in your daily life. Bluetooth V4.0 advanced speaker, widely compatible with Bluetooth devices Military 3-proof design: waterproof, dust-proof, shock-proof, durable to use Support TF card up to 32GB (card not included) With FM radio function, enjoy your journey with FM radio sound 4000mAh environmental protection battery, can keep playing 6-8 hours With USB output port, also can be used as a power bank for mobile phone charging 3 bright LED modes: strong light, weak light, SOS Designed with LED flashlight, good helper at night and outdoor activities Built-in mic for hands-free calling, safe for cycling Carabiner and bike bracket are included for more convenience A great Bluetooth speaker for both indoor and outdoor use Specification: Model No.: S1 Bluetooth version: V4.0 TF card up to 32GB Battery capacity: 4000mAh Music time: 6 - 8hrs Standby time: More than 30 days Transmission distance: 10m Frequency response: 30Hz - 20KHz Speaker: 4ohms SNR: andgt 80dB Distortion: Less than 1 percent Input voltage: 5V or 1A Output voltage: 5V Output power: 3W Work voltage: 3.7V LED lamp power: 1W Compatible with: iPhone iPad Samsung Huawei HTC Sony etc. Bluetooth-enabled smartphones and tablets