Bluetooth version: V1.2
Bluetooth Profile: HSP/HFP/A2DP/AVRCP
Operatin Range: Up to 10 meters (open area)
Frequency band: 2.402 to 2.480 GHz
Speaker system specification: 2.1
Speaker output power: 10W + 2W X 2 (maximum)
speaker size: 2.5″X2.5″ + (40X40)mmX2 
Speaker impedance: 4 Ohms
Signal to noise ratio: >65dB
Frequency Response：60Hz-20KHz
Antimagnetic: Yes
Distortion: 85dB
Miniature: Φ3.5mm mini stereo jack analog input
Power Adaptor：100-240v or DC: 12V/2A […]