Highlight��Universal Bluetooth speakerphone for car， office and home.The small Bluetooth hands-free fitted in car sun visor， The nearest handsfree from the mouth! So it provide the largest call volume. This is what some handsfree which pluged in the cigarette lighter can't be done! Professional Bluetooth hands-free， large volume， clear sound are its advantages!Included cigarette lighter USB charger， 5V output voltage， 500MA current， not only can charging for the car speakerphones， you can also charge for most cell phones， MP3 and other digital equipment.Accessories: 1*USB car charger cigarette lighter， 1* MINIUSB charging cable， 1* BL-5B battery (battery of Nokia phone) and a hook. it is a replaceable lithium battery. Can be replaced by mobile phones Nokia BL-5B battery built-in battery， this battery can be purchased anywhere on the market， so it is a wholly solution to aging and had to be discarded due to battery issue hosts.Specification :Bluetooth specifications: version3.0， Class2， 10meters.Bluetooth profile supported: speakerphone & hands-free profiles.Multipoint Support: Allows a speakerphone connecting to two phones Support secure simple pairing，Built-in speaker and microphone Operating frequency band: 2.4Ghz to 2.48Ghz unlicensed ISM band.Rechargeable battery: 3.7VDC， 650mAh.Charger: DC 5V to 6V， 400mA.Normal charge time: 2 ~ 3 hrs.Talking time: 15~16 hrs.Size: 118mm (length) x 46mm (width) x 16mm (height).Package Included:1 x Bluetooth Car Speakerphone1 x Battery1 x USB Cable1 x Clip1 x USB Car Charger1 x User Manual