Download Data sheet: noise-com-500-520-series_user-instructions_rev.a-2nc-500-520-series_safety-instructions_rev.anoise-com-500-520-series_user-instructions_rev.anc-500-520-series_bt-guick-guide_rev.asavox-noise-com-500-and-520-bluetooth-radio-support ArticleNo/ P/N: K6021100010 Radiotype: DP3441/3661, DP4x00, R7 Series, TLK 100i, TLK 110 SAVOX NOISE-COM 520XP Headband Bluetooth hearing protector headset with level dependent function, can be paired with two devices. Push-To-Talk- on shell. Price request Download Data sheet: noise-com-500-520-series_user-instructions_rev.a-2nc-500-520-series_safety-instructions_rev.anoise-com-500-520-series_user-instructions_rev.anc-500-520-series_bt-guick-guide_rev.asavox-noise-com-500-and-520-bluetooth-radio-support