CC-30 11/8/2017 Category: Products, DX Series Digital Wireless Systems, Headsets, Wireless, DX100 Digital Wireless Systems, Headsets, DX121 Digital Wireless Systems, Headsets, DX210 Digital Wireless Systems, Headsets, DX340ES Digital Wireless Systems, Headsets, DX410 Digital Wireless Systems, Headsets, Headsets & Accessories, Headsets, Lightweight, Isolation Electret Microphone Ultra-comfortable Also available in single-ear headset (see CC-15)