BoxWave Dual Handsfree Stereo BlackBerry 8800 Adapter (Non-Retractable) 2.5mm 4C (male) to 3.5mm (female) stereo adapter Premium headphone plug reduces signal loss and ensures maximum performance Includes an integrated microphone, single-touch answer call button, and volume control Music mode is temporarily paused when a call comes in and is automatically reactivated when the call has ended Innovative retraction and recoil design