Motorola OEM Silver Universal Stereo Headset - Compatible with 3.5mm and 2.5mm Phones Motorola OEM Part # SYN1603 On & Off button allows receive and end calls without touching the phone 2.5mm Headset - Comes with 3.5mm Headset Adapter Shirt Clip Included for Easy Cord Management Stereo Headphones for Superb Hearing