Easy to fix this item on the car steering wheel. DSP technology， Full duplex， CVC noise and call switch. Built-in intelligent microphone and powerful speaker in oeder to keep excellent sound quality effect. Automatically connect with the paired devices when power is on. Support languages: English， Spanish language， Chinese. This new Car Kit Speakerphones is specially designed for the car owners. And， it is applicable to various car models and allows you to dial or answer a call easily when driving a car without affecting your safe driving Specification:  Bluetooth version: V2.1 Bluetooth Working Frequency: 2.4GHz Operating distance?0~10M Hands-free Mic talking range: 0~1M Charging voltage: DC 5V Built-in lithium Capacity: 300mAH Operating temperature: -10°C - 70°C Storage temperature: -20°C - 80°C Color: Black Item size: 9.8 * 7.6 * 2.2cm / 3.86 * 2.99 * 0.87in Item weight: 59g / 2.08oz package size: 19.2 * 14.8 * 5.7cm / 7.56 * 14.8 * 2.24in Package weight: 221g / 7.79oz Compatible Models: For iPhone 6 6Plus 5S / 5C/ 5 / 4S / 4/ 3GS / 3G For iPad 4th， 3rd， 2nd， 1st， iPad Mini For iPod Touch 4th/ 5th/ Nano 7 For Samsung Galaxy S5 S4 S3 S2， Note 4/ Note 3/ Note 2， Tab Series For HTC One M7 M8 Desire X Series S V For Lumia 800 820 900 920 For Sony Xperia Z1 Z2. LG Pro 2 Series Or other Bluetooth-enabled devices Package list: 1 * Hand-sfree Steering Wheel Bluetooth Car Kit Speakerphones 1 * USB Cable 1 * Car Charger