Active Noise-Cancellation: No Control Button: Yes Communication: True Wireless Volume Control: Yes Number Of Drivers: 2 Plug Type: Line Type Impedance Range: up to 32 Ω Model Number: A3991 Headphone Pads Material: Silicone Support Memory Card: No Waterproof: Yes Frequency Response......
Small Size, Big Power Certified Safe: Anker’s MultiProtect safety system provides superior protection for you and your devices. Double Duty: Dual 12W output ports allow simultaneous charging of your devices......