Amasu KMC 25 Shoulder Mic Speaker Microphone Compatible with NX 200 NX 210 NX 300 NX 3200 NX 3300 NX 410 NX 411 NX 5200 NX 5300 NX 5400 TK 2180 TK 3180 TK 5210 TK 5220 TK 5410 auspowers_batchone This cable allows you to Color:Black & Yellow 2 pack This cable allows you to have your phone 50 ft durable and sturdy Read more Color: White Telephone line length: 20ft 50ft 100ft Product features: Thicker copper cores in wires up to 26 AWG ) Compatible With Models: TK180 TK190 TK280 TK285 TK290 TK380 TK385 TK390 TK480 TK481 TK490 TK981 TK2140 TK2180 TK2185 TK2260 TK3140 TK3148 TK3180 TK3185 TK3260 TK5210 TK5220 TK5310 TK5320 TK5400 TK5410 NX200 NX210 NX300 NX410 NX411 Audio jack available to attach earpieces for discreet communications