Experience perfect TV enjoyment at your desired volume without disturbing anyone with these wireless TV headphones. They offer freedom of movement with a range of up to 50 meters and a receiver operating time of up to 9 hours. The headphones feature a balance controller for easy adjustment and a quick, simple setup. The package includes RR2000 headphones with a built-in lithium polymer battery, a TR 2000 docking station, power supply with country adapters (EU, UK, US, AUS), and a 3.5 mm TV connection cable. Specifications include a frequency response of 15 Hz to 16 kHz, a maximum sound pressure level of 125 dB, and a latency of less than 60 msec. The receiver weighs approximately 60g and the transmitter weighs 230g. Charging time is up to 3 hours, with fast charging providing 2 hours of operation from a 30-minute charge. Power consumption in operation is typically 1W, and standby is less than 0.5W. The analog input signal-to-noise ratio is typically 85 dBA at 1 Vrms. The RF output power is a maximum of 10 dBm Class 1. The receiver is powered by an integrated lithium-polymer rechargeable battery (BAP 800, 3.7 V, 350 mAh). The transmitter is powered by 5 V, 600 mA. The headphones utilize dynamic, neodymium magnet transducers.