Main Features:● Elegant and stylish in appearance， compact and portable
● LED indicator for power light when it is on charging
● 360 degree sound field integrates a cone design， full-range sound
● Hi-Fi technology: 1.4 subwoofer， extendable resonance of the bass box technology enables stronger effect
● Built in rechargeable lithium battery， can use USB or power adapter for charging
● Compatible with all 3.5mm audio jack devices Model: Songli - 12004
Design: Mini，Portable，Stylish
Compatible with: iPhone，iPod，MP3，MP4
Supports: Loudspeaker
Connection: Wired
Audio Source: Electronic Products with USB port
Material: ABS
Color: Black，Blue，Green，Orange，Pink，Purple，Red，White，Yellow Speaker Impedance: 4 ohm
Power Output: 2.4W
Freq: 100Hz-20KHz
S/N: 90dB Charging Voltage: 4.2V
Working Voltage: 5V
Charging time: 4 hours
Lasting Time: 3 - 5 hours Battery Type: Lithium ion battery
Battery Voltage: 3.7V Package weight: 0.108 kg
Product size (L x W x H): 5.00 x 5.00 x 3.50 cm / 1.97 x 1.97 x 1.38 inches
Package size (L x W x H): 12.50 x 9.50 x 4.50 cm / 4.92 x 3.74 x 1.77 inches Package Contents: 1 x Mini Hamburger HiFi USB Stereo Speaker， 1 x USB Cable