1. Wireless earphones for TV, DVD, and PC use.
2. Built-in microphone for free Internet talking.
3. Can be wired as stereo headphone.
4. Two independent receiving bands for headphone and radio.
5. Can be used as a portable FM radio with auto-tuning function.
6. Operation distance: more than 30 meters (360˚).
7. Built-in 40mm driver.
1. S/N ratio: more than 50dB. 2. Power supply: (1) Transmitter: 3V DC (2 x 1.5V AAA batteries). (2) Receiver: 2 x 1.5V AAA batteries.