Frequency response: 40Hz – 20kHz
Audio inputs: Optical, Bluetooth, USB
USB:
USB port: Type A
USB rating: 5VDC/ 0.5A
Supporting file format: mp3, wav
MP3 Codec: MPEG 1 Layer 2/3; MPEG 2 Layer 3; MPEG 2.5 Layer 3
MP3 sampling rate: 16kHz – 48kHz
MP3 bitrate: 80kbps – 320kbps;
80kbps – 160kbps (MPEG 2.5 Layer 3)
WAV sample rate: 16kHz – 48kHz
WAV bitrate: Up to 3000kbps
Wireless:
Bluetooth version: 4.2

3 years service warranty