SonicGear Pandora 3R The Pandora 3R is a portable bluetooth speaker that has a built-in mic for hands-free calls. Bring it along with you for picnics or outdoor parties! Comes in Red. Features Comfy matt Rubber finishing True 2.1 signature SonicGear stereo audio Powerful Dual Bass Reflector (DBR) produces 2.2 audio effect Cutting-edge Bluetooth chipset from CSR Built-in mic for hands-free calls Technical Specifications Total system power (RMS) : 16 Watts Speaker playback frequency response : 40Hz – 20kHz Built-in mid-range speaker driver : 2 X 2″ Built-in subwoofer driver : 3″ Built-in bass driver reflector : 2 X (50 X 90mm) Signal-to-Noise ratio : ? 60dB Bluetooth version : CSR BC05 V2.1 Speaker input voltage : 12V Universal voltage : 110V ~ 240V, 50/60Hz