Features:-Secure simple pairing for user-friendly operating.-USB， SD card support， and Line-In Function.-Support PC，Tablet，Mobile phone，TV and Game console-Play MP3/WMA/WAV/APE/FLAC music files from Micro SD-Side panel control for volume.-Built-in Lithium Rechargeable Battery (4400 mAh).-Bluetooth Compatibility-Bluetooth Enabled Mobile Phones-Bluetooth Enabled Tablet PCs-Bluetooth Enabled PCs， Laptops， Netbooks-Wired Connection:-Any devices with 3.5mm audio output port<br />Specification:-Bluetooth version:Bluetooth 4.1-Transmit distance:3 feet-AUX IN-Micro USB charge-DSP sounds effects:MAXX Audio-Frequency response:60HZ-20KHZ-SNR:◎85dB-NFC:Quick connection-Speakers:4┯，1.75inch，10Wx2-Battery:4400mAH-N.W:0.6KG-Dimensions:285mm*48mm*58mm-Colors:Black，Gold<br />Package Includes:1 x Bluetooth speaker1 x USB cable1 x Audio cable1 x User manual