Universal Motorola H700 Bluetooth Headset is the only boom microphone that flips open for call readiness and flips closed to extend battery life. Be heard in noisy environments due to new echo and noise reduction technoogy. Improved streamlined design. Reversible hook securely fits over either ear. Motorola's Rapid Connect technology saves battery life by allowing you to quickly power the headset on and off and to answer calls through a flip of the microphone.