Features: - Portable Bluetooth speaker, with 800mAh rechargeable battery, playback time is up to 2 hours - Easily connect to any Bluetooth enabled devices + connect via AUX Input to all non-Bluetooth devices - Huge stereo sound with 4-inch Hi-Fi speaker, treble, bass, volume control + colorful LED light around the speakers - Charge the speaker quickly and easily with the USB charging cable How it works: Simply turn on the speaker, and it's in line-in mode. Press mode key to switch line-in / BT / FM mode, and choose the mode you like, then you can enjoy it. Brand: eonec Model: MS - 220BT Design: Cool,Multifunctional,Portable Compatible with: iPhone,iPod,Laptop,Mobile phone,MP3,MP4,MP5,PC,Tablet PC,TF/Micro SD Card Supports: Bluetooth,FM,LCD Screen,LED Shinning,TF Card Music Playing,Volume Control Functions: AUX Function,Songs Track Connection: Wireless Interface: AUX,Mini USB,TF Card Slot,USB2.0 Audio Source: Bluetooth Enabled Devices,Electronic Products with 3.5mm Plug,TF/Micro SD Card,U-disk Cable Length (cm): 47cm Speaker Impedance: 4 ohm Bluetooth version: V2.0 TF Card Extension: 8G to the Max. ( Not Included ) Transmission Distance: W/O obstacles ≤10m Driver unit: 4 inch Number of Speakers: 1 Sound channel: Mono Power Output: 10W Freq: 120Hz - 22KHz S/N: No less than 90dB FM Radio Frequency: 87.6 - 108MHz Charging Voltage: DC 5V Working Voltage: 3.7V Battery Capacity: 800mAh Charging time: 4 hours Working Time: 2 hours Battery Type: li-ion battery Package weight: 1.327 kg Product size (L x W x H): 15.00 x 10.50 x 35.50 cm / 5.91 x 4.13 x 13.98 inches Package size (L x W x H): 16.00 x 11.50 x 37.00 cm / 6.3 x 4.53 x 14.57 inches Package Contents: 1 x Speaker, 1 x USB Cable