Brands: Redmaine 
<br />Model: MS - 221BT, MS - 222BT 
<br />Design: Cool,Fun,Multifunctional,Portable 
<br />Compatible with: iPhone,iPod,Laptop,Mobile phone,MP3,MP4,MP5,PC,Tablet PC,TF/Micro SD Card 
<br />Supports: Bluetooth,FM,LCD Screen,LED Shinning,TF Card Music Playing,Volume Control 
<br />Functions: AUX Function,Songs Track 
<br />Connection: Wireless 
<br />Interface: AUX,Mini USB,TF Card Slot,USB2.0 
<br />Audio Source: Bluetooth Enabled Devices,Electronic Products with 3.5mm Plug,TF/Micro SD Card,U-disk 
<br />Cable Length (cm): 47cm 
<br />Speaker Impedance: 4 ohm Bluetooth Version: V2.0 
<br />TF Card Extension: 8G to the Max. ( Not Included ) 
<br />Transmission Distance: W/O obstacles  10m 
<br />Driver unit: 4 inch 
<br />Number of Speakers: 1 
<br />Sound channel: Mono 
<br />Power Output: 10W 
<br />Freq: 120Hz - 22KHz 
<br />S/N: No less than 90dB 
<br />FM Radio Frequency: 87.6 - 108MHz Charging Voltage: DC 5V 
<br />Working Voltage: 3.7V 
<br />Battery Capacity: 800mAh 
<br />Charging Time: 4 hours 
<br />Working Time: 2 hours Battery Type: li-ion battery 
<br />
<br />Features:
<br />- Portable Bluetooth speaker, with 800mAh rechargeable battery, playback time is up to 2 hours
<br />- Easily connect to any Bluetooth enabled devices + connect via AUX Input to all non-Bluetooth devices
<br />- Huge stereo sound with 4-inch Hi-Fi speaker, treble, bass, volume control + colorful LED light around the speakers
<br />- Charge the speaker quickly and easily with the USB charging cable
<br />
<br />How it works:
<br />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. 
<br />
<br />Package weight: 1.319 kg 
<br />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 
<br />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 
<br />Package Contents: 1 x Speaker, 1 x USB Cable 
<br />
<br />Brands: Redmaine 
<br />Model: MS - 306BT, MS-309BT, MS-304BT, MS-305BT
<br />Design: Portable 
<br />Compatible with: Laptop,Mobile phone,TF/Micro SD Card 
<br />Supports: Bluetooth,FM,LED Shinning,TF Card Music Playing 
<br />Connection: Wireless 
<br />Interface: AUX,Mini USB,TF Card Slot,USB2.0 
<br />Audio Source: Bluetooth Enabled Devices,Electronic Products with 3.5mm Plug,Electronic Products with USB port,TF/Micro SD Card TF Card Extension: 8G to the Max. ( Not Included ) 
<br />Transmission Distance: W/O obstacles  10m 
<br />Number of Speakers: 1 
<br />Input Impedance: 4 ohm 
<br />Power Output: 6W 
<br />Standby time: 1000 hours 
<br />Freq: 120Hz - 22KHz 
<br />S/N: No less than 90dB Battery Capacity: 600mAh lithium-ion battery ( included ) 
<br />Charging Time: 2 hours 
<br />Working Time: about 1 hour 
<br />Battery Voltage: 3.7V 0.4780
<br />
<br />Main features:
<br />- Superior sound quality
<br />3 inch mono speaker, clear, full-range sound, you might not expect from a compact speaker, perfect for party, dancing, promotion and so on
<br />
<br />- Fantastic and portable design
<br />With LED colorful light, more fashionable and distinctive, the light shines along with the rhythm in the dark or at party night, give you a wonderful enjoyment, and comfortable handgrip to carry with light weight, so much better for travel and hiking, can be used indoors and outdoors
<br />
<br />- Wireless technology
<br />Bluetooth 2.0 function, lower energy consumption but more stable connection and faster transmission speed, wireless operating distance is up to 10m, adapt to most of the mobile devices enabled Bluetooth, such as iPhone, iPad, iPod, smartphones, tablets, etc., make connection without pressure
<br />
<br />- More connection mode
<br />Support AUX connection, USB flash drive connection, TF card connection, you can find the perfect one for you to listen to music 
<br />
<br />- Built-in FM function
<br />Enjoy FM radio function while in or out of the house, beguile the boring time by listening FM radio
<br />
<br />Performance parameter:
<br />- FM radio frequency: 88 - 108MHz
<br />
<br />Package weight: 0.529 kg 
<br />Product size (L x W x H): 13.50 x 11.50 x 9.00 cm / 5.31 x 4.53 x 3.54 inches 
<br />Package size (L x W x H): 15.00 x 12.00 x 9.50 cm / 5.91 x 4.72 x 3.74 inches 
<br />Package Contents: 1 x Redmaine MS - 306BT Bluetooth Speaker, 1 x Audio Cable, 1 x English User Manual