1. with TF card reader
2. support audio input and output
3. Power supply: 500mAh A-grade Li-ion Battery
4. Satellite output power: RMS 3W x 2
5. Frequency response range: 200Hz-20kHz
6. With USB power connect
7. S/N ratio: >80dB
8. Degree of Dissociation≥38dBi Degree of Dissociation
9. Degree of distoration≤ 0.5%
10. Color available: bright orange, mangenta,azure  blue, jade green etc.
11. Supports SD/MMC card, U-disk (MP3 format), also for iPods, MP3 and MP5 players, PCs and mobile phones