Hollyland Solidcom C1 Pro Master Headset - Single-ear wireless hearing-voice combination, suitable for Solidcom C1 series, Full-Duplex Mode (FDX), Dual-Mic Environmental Noise Cancellation (ENC) technology, DECT 6.0 support, transmission frequency: 1.9 GHz, range: 350 m, frequency range: 150 - 7000 Hz, signal-to-noise ratio: 71 dB, active noise reduction: 20 dB, distortion:

Hollyland M1 Dynamic Double-Side Headset - two-ear intercom headset, suitable for Solidcom M1 series, Hi-Fi speech quality, ambient noise suppression, connection: 8-pin Lemo, weight: 310 g