Product Name: Outdoor Smart Compatibility Bluetooth Speaker IP57 Waterproof Mini Size Portable Bluetooth Super Bass Speaker Bluetooth Amplifier Support NFC and Tws Model NO.: BTS-18023O Distance version: Class A Bus: USB Type: Bluetooth Speaker Waterproof: Yes Dustproof: Yes Power Capacity: 4000mAh Bluetooth: V4.2 Trademark: OEM Transport Package: Carton Origin: China HS Code: 73211100 Product Description Outdoor smart compatibility bluetooth speaker IP57 waterproof Mini size Portable bluetooth super Bass speaker bluetooth amplifier support NFC and TWSModel: BTS-18023OBluetooth V4.2+EDRSupport agreement: A2DP,AVRCP,HSP,HFPpower capacity: 4000Ma/hPower input: DC 3.7v 3600Ma/hCharging time:5hrsOut put and Lasting time: 15hrs (using middle volume)Size:183*52*59mmN.Weight:480gramlink: Bluetooth, TF and Coaxial inBluetooth Working Frequent: 2.402GHz-2.480GHzOutput: 4R/ 2*5WVoltage input &output:DC 5V/1AInput: USBDistant of the signal receiving:10MeterTF cards: MP3, MP4Signal-to-noise ratio : ≥70dBColour of the shell available: Black, Orange, Red, Blue and GreenPackage:color box plastic blisterout carton: 408X355X220MM /20pcs/11.7kgFeatures:-IP57 water proof, don't worry about outdoor rainy day;-Anti-shock, and dustproof. Using PC +ABS, The integration of the molding;-3600mAh LI-ion battery built in, lasting 15hrs after Power charging of 5hrs. It can be taken as Power supplier of Mobile phone and PC or other outdoor electronic devices.-One torch to link NFC.-Support 128GB TF card to get large capacity of storage and fast data exchange for outdoor life-Built in 2pcs 5w amplifier, with features of Noise reduction and Echo elimination,to get super bass and stero.-Bluetooth 4.2 adopt for supporting most of the bluetooth compatible electronic devices.-Support handfree call and answering mobile-Multi-model links: support bluetooth, TF and Coaxial in-Special Designed for hiking and cycling-Spare parts: Manual, 3.5mm V.F wire,USB link wire and 1pc hook, color box plastic blister-CE,Rohs standard