Hi-Fun hi-Ring Mini Bluetooth Headset - Retail Packaging, Red Eliminates over 99% of absorbed phone radiation Battery: no needs battery Pick up / hang up button Noise reduction system Colors: red, blue, black, yellow, green, violet, pink, orange & glossy white Eliminates over 99% of absorbed phone radiation Battery: no needs battery Pick up / hang up button Noise reduction system Colors: red, blue, black, yellow, green, violet, pink, orange & glossy white