Remote Speaker Microphone 

Surveillance Earpiece - on-MIC PTT -
Transparent acoustic tube and volume control

Surveillance Earbud with Acoustic Tube, in-line PTT & VOX.

Programming Cable TC-320

Battery Li-Ion 1650mAh (For TC-518)

Serial Programming Cable for TC-518, TC-610, TC-700, TC-780

• 1200 mAh Lithium Ion Battery for HYT TC-610

• 1200 mAh Lithium Ion Battery for HYT TC-610

• D-Earset - inline Mic - PTT-Volume Control and Thumbscrew (TC-610)