BRAND NEW Sony Ericsson HBH-IV835 Bluetooth Headset

Adaptive Frequency Hopping (AFH) AFH reduces the impact of interference between wireless technologies, resulting in excellent audio quality.  Automatic volume adjustment Walk into a noisy environment and the volume adjusts automatically in less than a second.     Auto pairing™ A feature that makes pairing the device with your Bluetooth™ mobile phone faster and simpler by dropping the PIN code without compromising security. Features: Auto pairing™ Bluetooth™ technology 2.0 Digital Signal Processing (DSP) Fast automatic volume adjustment One ear plug Specifications: Size: 62 x 0 x 0 mm (2.4 x 0 x 0 inches) Weight: 10 g (0.3 oz) Range: up to 10metres Talk time: up to 3.5  hours Standby time: up to 160  hours Sony Ericsson HBH-IV835 Wireless Bluetooth Headset