If you having issues with the buttons you may just need to tap three times and should easily work. Make sure to avoid blinking blue light by forming a solid connection with your device to creat a solid blue. HANDSFREE CALL: Upgraded Microphone allows you to answer phone call and join conference call, perfect for home and office work. USB PORT: One Type C port and One USB port built in for additional charging options. Combined with wireless, Charge THREE DEVICES at the same time. It's upright positioning allows you to stream music or movies, chat as it charges. CHARGER DOCK: 3 vertical charging coils allows the D5 to charge phones vertically or horizontally. 10W charging for most newer phones including iPhone, Samsung Galaxy, LG and more. SOUND HUB: an exceptional dual-Bluetooth speaker system with 8 Watts of premium HD sound per speaker. 5 In 1 HUB: DOCK, CHARGE, LISTEN, SPEAK & TYPE C All in one device With latest innovative design. Perfect for Office, Bedroom, Kitchen and Living Room. It's upright positioning allows you to stream music or movies, chat as it charges.