Add to Cart Compare Motorola HKLN4599 D-Ring Earpiece with In-line Clip PTT Mic Motorola MSRP: Now: $24.95 Was: Motorola D-Ring Earpiece with In-line Clip PTT Mic for use with Motorola Business Two-Way Radio Series CLS, RM, RDX, DLR, DTR. Old Part # 56517 MSRP: Now: $24.95 Was: Add to Cart Compare