HKSUNKIN@ High Quality Multi-Pin Covert Acoustic Tube Headset / Earpiece with Mic for Motorola Radios APX6500 DP3601 XIRP8200 High quality Covert Acoustic Tube Headset/Earpiece for Motorola Radios Multi-pin jack, Hidden mic in PTT button, 1 spare earbud included Kevlar reinforced cable: the cable should be able to withstand at least 10000 cycles without jacket broken or open. The cable and plug should be able to withstand at least 3KGF pull force. PTT life span test: fix the test equipment to the test-bed, adjust the CAM and make the PTT work effectively, then start to count, after 50000 times test, PTT performance is still normal. XPR6300, XPR6350, XPR6380, XPR6500, XPR6500, XPR6550, XPR6580, XPR7350, XPR7550, XiRP8200, XiRP8208, XiRP8260, XiRP8268, APX4000, APX4000 P25, APX6000, APX6000 P25, APX6000XE P25, APX7000, APX7000XE P25, DGP4150, DGP4150+, DGP6150, DGP6150+, DP3400, DP3401, DP3600, DP3601, DP4800, DP4801