Warranty & Compatibility & Note: 12 months worry-free warranty; Compatible with Motorola CP BPR CLS DLR DTR RDX RM VL series radios; Including R2 CP100D CP185 CP200 CP200D BPR20 BPR40 BPR40D CLS1410 CLS1110 DLR1020 DLR1060 DTR550 DTR600 DTR650 DTR700 RDU2020 RDU2080D RDV2020 RDV2080D RDU4100 RDU4103 RDU4160D RDU4163D RDV5100 RMU2040 RMU2043 RMM2050 RMU2080 RMU2080D RMV2080 PR400 VL50 and more; This is not Intrinsically Safe earpiece, this is not water-proof earpiece. | Classic Earhook: Classic and comfortable G shape earhook produced by precision molding technology which make earhook more shape-stability and durability; earbud rob is rotatable to fit right or left ear and adjustable vertically to make the earbud stay closer to ear canal. | Clear Sound Transmission: With high quality micro speaker, noise reduction microphone, high purity copper wire and anti-Interference circuit design, this earhook earpiece ensure sound to be received and transmitted clearly even in loud environment. | Super Strength Cable Module: TPU (Thermoplastic polyurethane) cable bring super bending strength, abrasion resistance and scratch resistance; Cable internally reinforced by high tensile strength fiber and Kevlar fiber bring excellent tensile strength; Strain relief structure made of TPU rubber bring stronger bending strength and longer lifespan. | High Strength Connector: With TPU (Thermoplastic polyurethane) rubber jacket, internal hard core and Nickel-plated brass plugs, assembled by precise soldering technology and molding technology, the connector is built for stable connectivity and excellent operating life.