Product Name: S812 Portable Mobile Wireless Multimedia USB FM Sound Box Mini Bluetooth Speaker Model NO.: S812 Compatible Product: Universal Special Function: Memory Card Support, Radio, USB Disk Support Color: Black SNR: <70dB Sound Channel: 2.1 Interface: Micro USB Usage: Mobile Phone, Portable Player, Computer, Radio Speaker Material: metal Amplification Type: Active Type: Bluetooth Wireless Speaker Trademark: Neutral Transport Package: Standard Carton Specification: 43.5*40*34cm Origin: China Product Description S812 Portable Mobile Wireless Multimedia USB FM Sound Box Mini Bluetooth Speaker Features:Bluetooth playback, intelligent noise reduction, high-fidelity audio, speakerphone, TF card player, AUX audio player, U disk player, radioTwo-channel stereo full range speakerSmall body loud voiceDouble passive bass diaphragm2.1 Smart BluetoothAll-intelligent operation, intelligent control of a keyFM digital stereo radioAUX / TF / U disk playerCompatibility is strongTechnical Parameters:Product Name: Bluetooth SpeakerAdjustment method: keySpeaker Specifications: 45mm * 45mm 5Ω 5WBattery capacity 1200mahConnection range: 8m-20mSignal to noise ratio: ≥60dbWorking voltage: 7.4VInput: DC5VFrequency response: 50HZ-180KHZSize: 185 * 55 * 55mmPackingNet weight: 404gWith packaging weight: 500gPacking quantity: 50PCSPacking weight: 25.8KGPacking size: 43.5 * 40 * 34cm