Features:

2.4GHz Digital Hopping System Technology

RF Transmission Auto OFF for Power Saving

30 Meters Transmission Range and 12 Hours Duration

Specifications:

Carrier Frequency: 2.4GHz Digital

Operation Voltage: Transmitter AC/DC 5V Power Adaptor

Headphone 2 x1.2V AAA size Rechargeable NiMh batteries (included)

Frequency Response: 20Hz – 20KHz

Distortion: 0.5%

S/N Ratio: 80dB

Working Time: 12 Hours

Charge Time: 7.5 Hours

Working Range: 30 Meters