Motorola PMMN4039, Noise Canceling Speaker Microphone for HT750, HT1250, HT1550, MTX850, MTX825 Quantity in Basket: None Code: PMMN4039 Price: $63.75 Shipping Weight: 2.00 pounds Quantity: Motorola PMMN4039, Noise Canceling Speaker Microphone with Swivel Spring Clip, Intrinsically Safe, Coiled Cord and 3.5 mm Audio Jack. Fits HT750, HT1250, HT1250LS, HT1250LS+, HT1550XLS, MTX850, MTX8250, MTX950 & MTX9250 Handhelds.