3D Stereo Mini Rugby Shape Bluetooth Speaker with TF Card Slot(Blue)

Playback Function:MP3,RadioFrequency Range:150Hz-20KHzNumber of Loudspeaker Enclosure:1Battery:YesPower Source:Battery,DCMaterial:ABSSupport Memory Card:YesRemote Control:YesBuilt-in Microphone:YesCommunication:USB,bluetoothSpeaker Type:Computer SpeakerChannels:2 (2.0)sytle:miniPackage Weight:0.2kgPackage Size:16cm x 6cm x 6cmFeatures:Built-in Bluetooth wireless transmission, call hands-free function.Simply connect your smartphone, tablet and other devices to the speaker via Bluetooth.Thanks to the integrated USB port and TFcard slot, you can listen to your music anytime and anywhere from your USB stick or TF card.Supports all external 3.5mm terminals audio input.Support FM auto search station.Fit your home, office, ect.Compact size lets you easily move it about from room to room.Description:Signal to noise ratio: ≥ 84dBSensitivity: 80db+2dbOutput power: 3WMagnetic speaker: 4Ω 3W 40MMInput voltage: DC 5VWorking voltage: 3 to 5.5VBattery Capacity: 600 mAhCharging time: 3hours