High fidelity wireless audio: Bluetooth transmitter allows TVs to stream high definition stereo sound wirelessly, letting you enjoy your TV with your favorite Bluetooth wireless headphones without disturbing roommates, children, or other family members Qualcomm aptx low latency technology: Qualcomm aptX Low Latency technology eliminates lip-syncing issues with compatible devices for a high-fidelity, lag-free audio experience with TV and game audio 3 Ways to hook up your TV – 3.5mm headphone jack, RCA, or optical TOSLINK S/PDIF (Note: device will not convert Dolby Digital signal. Make sure to change Audio Output To PCM when using optical connection) Dual-headphone streaming: Allows up to two headphones (or speakers) to be connected simultaneously; each listener can adjust the volume of their headphones independently and listen as loud as they like without bothering each other or those around them Universal compatibility & easy set-up: Two discrete pairing buttons (A & B) control connected Bluetooth devices independently for simplified setup; supports 3.5mm headphone jack, RCA, or TOSLINK digital optical (SPDIF) audio connections for compatibility with new and old TVs, set top/cable boxes, computers, and other devices; all cables are included; features built-in rechargeable battery and can be left plugged in to avoid recharging.