Avantree AS90K - Add-On Headphones for Opera Plus

[ADD-ON HEADPHONES] The AS90K is intended for use as a second pair of headphones for the Avantree Opera Plus TV watching set. Listen through both the original & add-on headphones simultaneously and with separate volume controls for each. [EASY CONNECTION SWAPS] Slide the power switch on the headphones to “TV” to automatically connect to the transmitter to watch TV; slide the switch to “PHONE” to pair the headphones with a Bluetooth-enabled device such as your phone or laptop. [3 EQ MODES] Choose among clear dialogue, well-balanced, and cinema EQ modes to customize your audio experience. [MUTE SWITCH] Mute and unmute TV audio with the flip of a switch – perfect for long ad breaks. [ALL-DAY COMFORT] Soft, extra-roomy earpads and an adjustable headband provide all-day comfort.