iKross Headset / Handsfree Headset Bluetooth V4.0 With Wireless Charging Dock and Microphone - Black (Wireless Phone Accessory)
Too bad ... The dock is really practical, the design is beautiful and the headset is ergonomic. Error in delivery or misleading advertising (there is a choice between Bluetooth V3 and V4) ??? But even on the box, it does not indicate the version of B