The controller in the Syllable D300 Wireless Bluetooth Sports Headphone is towards the right side of the earphone and consists of USB charging port, Microphone, Power Button/pairing Button and Volume Rockers. The quality of the controller and the buttons is a bit disappointing. Syllable D300 Wireless Bluetooth Sports Headphone Specifications: Inside and as well as the Syllable D900S Bluetooth Earbuds, you will also find the intelligent charging box, a 1m USB charging cable (microUSB to USB Type-A), a small carry pouch, the user manual "Syllable" means syllable which is the basic element in music. We want to use our technology and craft to make a high quality headphone which can let you feel each nice syllable of music Wireless Bluetooth Headset Operation Diagram for D900 Bluetooth Headset See more of Syllable Headphones on Facebook. Log In. Forgot account? or. Create New Account. Not Now. Syllable Headphones. Electronics . Community See All. 168 people like this. 170 people follow this. Red headphone- Syllable G01 bluetooth headphones. See All. JLab Audio products User Manuals: Bouncer, Bouncer with Battery, Crasher, Earbuds, Epic, Fit, Go Bluetooth 2.0 Hey everyone! I'm back with my latest product review. Today, I'll be reviewing the Syllable D9X Bluetooth Wireless Earbuds. So right away, let's jump into a full list of everything that comes with these earbuds. I opened the box up and found the following contents: 1 x SYLLABLE D9X bluetooth headset(two earpieces) 4 x Magnetic battery; 1 x USD 75 Free Shipping, Wholesale Price, D900 Black Bean Bluetooth Headset BT4.0 Dual Mode Touch Pairing Real Wireless Earphone with Power Bank Charger Dock - Black The Syllable D700 over the ear Bluetooth headphones that I was sent came in a bright yellow and black style color scheme which are obviously geared towards runners or those in most any type or athletic atmosphere. They wouldn't look very attractive over your ear as you sit next to the CEO of the company o