New Over the Head Syllable Wireless G08 Bluetooth Stereo Headset with Wireless Microphone for Iphone Skype Heaset Wireless Microphones Good breathability, less sweating Soft and good stability Good durability, under normal circumstances up to 2 to 5 years Standard: Bluetooth V2.1+EDR Built in Bluetooth + Noise Cancellation functions, freely & wirelessly to enjoy high-definition stereo music and receive calls.