Rannsgeer UV340R-TA3 Dual Earhook Headset Microphone is designed especially for AKG Microphone System. The ultimate in low profile, high performance vocal pickup Omnidirectional condenser headset microphone. The Headset frame is adjustable by sliding to the top frame, inward or outward, for large or small size head. Plus, the microphone boom is replaceable to the right or left side of the headset frame as per user desire. Product Features include Sweat and Dust-Proof Made Primarily for Indoor and Outdoor activities. Can be used for on Stage, Houses of Worship, School Lecturers and Other Applications that Require hands-free Operation Ultra-Light Weight, Easy Clip-on Style Compatible with AKG Body-Pack Transmitter Models: DPT 70, DPT 700, PT 40, PT 45, PT 60, PT 61, PT 80, PT 81, PT 200, PT 400, PT 450, PT 470, PT 4000, PT 4500 / Samson UT1L, VT2L Wireless Microphone System RoHs and REACH Complied. Without Pb, Hg, Cd, Cr6, PBB, PBDE.RoHs and REACH Complied. Without Pb, Hg, Cd, Cr6 , PBB, PBDE. Sweat and Dust-Proof Made Primarily for Indoor and Outdoor activities. Suitable used for on Stage, Houses of Worship, School Lecturers and Other Applications that Require Minimum Microphone Visibility with hand-free Operation. The Headset frame is adjustable by sliding to the top frame, inward or outward, for large or small size head. Plus, the microphone boom is replaceable to the right or left side of the headset frame as per user desire. This replacement ear-hook headset does compatible with AKG Body-Pack Transmitter Models: DPT 70, DPT 700, PT 40, PT 45, PT 60, PT 61, PT 80, PT 81, PT 200, PT 400, PT 450, PT 470, PT 4000, PT 4500 / Samson UT1L, VT2L Wireless Microphone System.