Warranty & Compatibility: 18 months worry-free warranty; Compatible with Motorola APX XPR 6000 XPR 7000 SRX series radios; Including APX 900, APX 1000, APX 4000, APX 6000, APX 6000LI, APX 6000XE, APX 7000, APX 7000XE, APX 8000, APX 8000XE, APX 8000H, APX 8000HXE, XPR 6100, XPR 6300, XPR 6350, XPR 6380, XPR 6500, XPR 6550, XPR 6580, XPR 7300, XPR 7350, XPR 7380, XPR 7550, XPR 7580, XPR 7350e, XPR 7380e, XPR 7550e, XPR 7580e, SRX 2200 and more. | Professional Acoustic Tube Module: Super quality TPU acoustic tube provide durability and flexibility; Ear-hook and elastic coil made by precise forming technology makes your wearing more comfortable; Acoustic tube joints made of anti-cracking & wear-resistant plastic bring reliability and prevent scratching; High performance micro speaker and acoustic tube ensure sound to be transmitted clearly even in loud environment; A variety of accessories meet different ear wearing choice. | Clear Sound Transmission: With professional acoustic tube module, high quality micro speaker, noise reduction microphone, high purity copper wire cable and anti-Interference circuit design and our great assembly skills, this earpiece ensure sound to be received and transmitted clearly even in loud environment. | Super Strength Two Wire 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; This cable module is built for mission critical use. | High Strength Precise Connector: With TPU (Thermoplastic polyurethane) rubber jacket, engineering Polycarbonate housing, internal hard core and gold-plated POGO-pin, assembled by precise soldering technology and molding technology, the connector of this earpiece is built for stable connectivity and excellent operating life.