When you want to buy a speaker, immediately you think of quality, great sound and affordability. Well, this Eonec Portable Bluetooth Speaker carries on this reputation. The long-lasting battery provides you 2 hours of playback from any Bluetooth enabled device. It also has a 3.5mm slot so you can connect any audio device, even if it does not have Bluetooth. It also has a built-in USB cable so you can power up your phone or tablet on the go. With 4-inch big speaker and sleek colorful backlight, the powerful stereo speaker will sound and look AMAZING. Set the perfect music scene with treble, bass and volume control. Take this speaker to your party or patio, so you can begin the fun right away. Eonec, the leader in quality sound at affordable prices!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 cableHow 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. Model: MS - 221BT Design: Cool,Fun,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: 1.319 kg Product size (L x W x H): 15.00 x 10.80 x 35.50 cm / 5.91 x 4.25 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