Features:- It offers great quality sound with Bluetooth 3.0 + EDR technology， can connect to MP3， MP4， PC， laptop and mobile phone easily.- It features two highly powerful 3W acoustic drivers for excellent sound.- Versatile input modes， fully loaded with functions - Switch between Wireless Bluetooth， FM Radio， TF card(support TF card up to 32G)， USB and AUX.- Press the play button 2 times， you can call back to the latest phone number， and 1 time will hang up under the Bluetooth mode.- It can be used as a torch and a charger if you need.- The built-in 2400mAh rechargeable battery enables 6 - 12 hours of playtime on a single charge.- This speaker is strong enough to fill up a kitchen， living room， or classroom. It is ideal for personal usage， indoor party or outdoor BBQ or picnic with friends and family.Note :AUX input mode: you need to insert the USB charger first， then the device will automatically check the AUX audio signal. Adjust the volume by the twist switch at this moment.FM radio mode: please insert the Mike 5Pin charging line first， then press the button M to go to the radio mode.Model: MJ-18Design: Sport， Stylish， Multifunctional， Fun， Portable， MiniFeatures: Portable， Mini， Torch， ChargerSupports: Volume Control， TF Card Music Playing， Microphone， Loudspeaker， Bluetooth， Hands-free CallsFunctions: AUX Function， Stereo， Noise Cancelling， Songs TrackCompatible With: Mobile Phone， PC， Laptop， Tablet PC， MP3， MP4Connection: WirelessInterface: Power Charge Port， Micro USB， TF Card Slot， Microphone， USB2.0Audio Source: Electronic Products with USB port， Bluetooth Enabled Devices， U-diskMaterial: PlasticColor: Red， Black， BlueBluetooth Version: V3.0+EDRAudio File Format: MP3Transmission Distance: W/O obstacles ��10mStandby Time: 6 - 12 HoursTotal Power: 6WFreq: 100Hz-20KHzS/N: More than 74dBDistortion: Less than 0.5 percentFM Radio Frequency: 87.6 - 108MHzPower Source: Battery， Wall Charger， USBCharging Voltage: 5VSpeaker Accommodation: ButtonCharging Time: 3-4 HoursLasting Time: 6 - 12 HoursBattery Capacity: 2400 mAhPackage weight: 0.202 kgProduct Size (L x W x H): 19.5 x 6 x 4 cm / 7.66 x 2.36 x 1.57 inchesPackage Size (L x W x H): 22.5 x 7.5 x 5.2 cm / 8.84 x 2.95 x 2.04 inchesPackage Contents: 1 x MJ-18 Portable Mini Bluetooth 3.0 + EDR Speaker Built-in Microphone Charger LED Torch， 1 x USB Charging Cable， 1 x User Manual In English And Chinese