Headphone Specifications:
Communication Level: Mono
Receiving Frequency: 88~108MHz
Transmission Frequency: F1: 85.5MHz / F2: 86MHz
Frequency Response: 20~20, 000Hz
Sensitivity(S. P. L): 105dB3dB/mW(at 1KHz)

Power supply:
- Headphone: DC 3V (2x1.5V AAA batteries)
- Transmitter: DC 3V (2x1.5V AAA batteries)
Signal/Noise Ratio: >60dB
Maximum operation distance: 20m, 360

Features:
1. RF/VHF wireless headphone.
2. FM radio receiver with auto-scan function.
3. Wired headphone for online chat.
4. Two independent transmitting bands to avoid interference.
5. Headphone can receive signals from transmitter in all directions even through barriers sush as doors, walls and glass etc.

Components:
Headphone 1pc, Transmitter 1pc, Connection Cable 1pc