Sony RM VS10TV Universal remote control

RM-VS10TV is an infrared (IF) signal transmitter and remote commander with integrated monaural speaker. Remote commander can also function as a cordless speaker anywhere within the infrared reception area. Its keys control TV power, channel and volume, and speaker power and volume. RM-VS10TV features auto power-off, which conserves battery power when unit is not in use, and an earphone jack for private listening or for the cases when you do not wish to disturb others. The unit operates using 4 "AA" batteries for full portability, or with supplied AC power adapter.