1.Ultra volume:23*24MM Weight 0.45 grams
2.Excellent noise suppression,you will hear any noise without connecting input audio.
3.Dual-channel stereo,only needed 5V power supply can input 5W+5W power,it can drive 4ω,8ω little speaker directly,with large output power,enough energy,superior quality,and left right channel volume adjustment.
4.The unique non-LC filter Class-D digital power board, can be used computer USB to charge.
5.Dual-panel wiring,can properly solve the ground potential balance and crosstalk between channels caused by wiring.
6.Super mini design,can be easily placed in a variety of digital product’s inside small space.
7.Used machine to weld whole plate.
8.Rated operating voltage is 2.5-5V, the limited operating voltage is 5.5V.
The “negative” of left and right channel output port can not be connected together,otherwise it will damage IC,you should connect the speaker before charging.