F910 Wireless Bluetooth Headset Sport Retractable in-Ear Noise Reduction Earphone with Call Vibration, Call Reporter, Voice Prompt, etc(Black)

hey guys today let's introduce a new plans hi blue firstly let's check the package ok the package right here this model is at 9 1 0 let's firstly let's open the package here there's one cable for charging 2 cap for free one tezcan for avoiding getting wet for the to do here stop Cory client certificate and here is the menu of fibro tell you how to use this part blue we have English version here hey now this that's either through to device Nancy here there's a button key pressed here right here even be bet right this and there is a power button here we can keep press here until there is a changing color okay now music there's the color-changing in this way we can use our phone to open up the blue tuna and find the Model X 9.0 to finesse okay and let's check other functions like here is the oil plus oil - here and also this power button can be picked up it means when there's a call callin