Extreme Edition Powerful Upgrade Mate: 1. Upgrade LED power display: Intuitive to know the electricity level Charging cabin and the headset at a glance 2. F9-8 chip upgrade:Upgrade the 5.1 Bluetoothchip, pick up the automatic boot and matching 3. Operational function upgrade:One touch toswitch previous/next song &volume adjustmentwake up assistant 4 . Large capacity charging cabin : Can be used forearphone storage box Charging for earphone/ mobile phone As a mobile phone holder 5.Enjoy &9D heavy bass : Enjoy the HIFI sceneand enioy the immersive 9D stereo surroundsound effect 6.CVC80 intelligent noise reduction:Enjoy HD call effects without being affected by noisy environmen 7. Strong compatibility:Regardless of the brandmobile phone and model, Bluetooth-enableddevices can usethis headset Accessories Lists: 2* Bluetooth Earphones 1* Charging Case 1* USB Cable 1* User Manual 3* Earphone Cups(S,M,L Size)