Dimensions: 5.12 in x 1.97 in x 0.59 in (13cm x 5cm x 1.5cm) Color: BlackMaterial: PlasticBluetooth Version: V3.0 + EDRRF Output Power: Class 2 (Up to 10M)Support Profile: HSP.HFP 1.5 ProfilesVoice report numberAUTO-answering functionMP3 playedFive language selectedFeatures:High durability tough Polycarbonate Material Easy installation， perfectly fitting whilst keeping all the accessibility of ports and buttonsProviding protection whilst maintaining a slim and stylish design of the impact resistant cushion as well as protection from scratching the surface of your phone while the hard exterior shell is the ultimate armor for withstanding bumps， knocks and accidental drops. Packing List:1 x Car Bluetooth Handsfree Kit1 x USB to Micro USB Cable(80cm)1 x USB Car Charger1 x Clip 1 x Chinese & English User Manual