Package Contents: [1x] Swivel Earpiece + Foam Cover G-Shape Earpiece: Rotates 360° and is height adjustable for a customized fit on either the left or right ear 1.5-Wire Design: Flexible cabling allows for freedom of movement PTT Button Mic: Small, ergonomic size with rotating lapel clip; Microphone provides clear voice transmission Compatible with Motorola SL Series Radios *Please see below for compatibility *NOT compatible with Talkabout Series