New 2010! GSM transmitter transmitter with built-in microphone for usage with your digital earpiece without additional GSM phone.

Separately Bluetooth transmitter with built-in microphone for usage with mobile phones and other devices with Bluetooth.

Separately Mini-jack Mp3 transmitter specially designed for covered usage with voice recorders, Mp3 players, PDA, iPod and any other devices with Mini-jack sound out .

Separately transmitter for 2-way radios with built-in microphone. Production under request specially for your 2 way radio model.

Batteries for earpieces and other devices made by WINTEC.