mini hamburger speaker

Technical parameters: 1.Speaker:2W,4Ω 2. Frequency: 100HZ-20KHZ 3. Distortion: ≤ 0.5 4. Polymer battery capacity: 300MAH 5. Charging voltage: 4.2V ± 0.05V 6. Battery Charging: USB 200MA-300MA Instructions: 1. Magnets left and right channels can be easily left and right channel into two, Be free to adjust the placement of left and right channels 2. Speakers can be retractable to adjust the speaker does not stretch, the bass effect is not obvious Extension speaker, the bass effect is very obvious 3.3.5 can use most of the MP3 audio player / iPod / iPhone 4. While charging while listening to music (DC5V) Two-way retractable, easy to use portable Use, when the LED lights slowly dim blue light, the means that the power will be consumed, At this point charge using USB adapter cable, USB can be directly connected to the computer at the USB charging, LED lights red when charging, when the LED lights from red to blue, that electric charge and full, unplug the charger