1. Product Outline number, item, technical specification, color 1 wearing way, adjustable head-wear type 2 wire size/length Ø4.0 mm/2.0 M0.1 m black hook line + Grass Green 3.5 + Pink 3.5 + USB3 earmuffs, shaped plate splice earmuffs, height 25MM Black 43 + with sponge black/red Mesh 4 head wear, sliding PP head wear + stainless steel + Pu Sheath, black + metal wire drawing + black red/blue Pu 5 plastic parts ABS Black 6 bare weight 320g5g7 lamp effect, streamer RGB light red, green, blue 1, earphone electroacoustic system parameters speaker part, microphone input mode DC3.5 mm plug input mode dc3.5 mm plug input speaker size & type Ø50 MM size & amp Type 6.0 * 5.0 mm Horn impedance (ω)32 ± 15% at 1 KHZ (DC) directivity, total directivity (DB/MW)115 ± 3 DB at 11 Khz (DBV/P)-40 ± 2 DB@1 Khz 5%@1 khz 5%@1 KHZ & amp; R balance ≤5DB (at 1khz) frequency range (Hz)100Hz-8KHz frequency range (Hz)20Hz-20KHz working voltage range (v)2.0-10v pure tone audiometry, sine signal 0.8 v 100 hz ~ 2 Khz consumption current UA)180 rated power (MW)10 MW s/n ratio ≥60 DB maximum input power (MW)20 MW impedance F = 1 Khz, 1 PA (< 2.2 k ω)