Wireless TV headphones Perfect TV enjoyment at your desired volume without disturbing anyone. Dimensions Receiver: approx. 102 mm x 265 mm x 23 mm (switched off, W x H x D) Country Variant (Power Supply) EU Country Variant (Power Supply) US Country Variant (Power Supply) UK Country Variant (Power Supply) Australia Frequency response 15 hz to 16 kHz Max. sound pressure level 125 dB (at 1kHzm 1Veff) THD, total harmonic distortion < 0.5 % at 1 kHz, 100 dB SPL Contact pressure approx. 0.8N Ear coupling Silicon Rubber Jack plug power supply:straight / Yellow Jack plug 3,5mm audio: 1x straight and 1x angled / Blue Cable length power supply 1.5m Cable length 3,5mm audio 1.5m Weight Receiver: approx. 60g Weight Transmitter: 230g Charging time up to 3 hours Charging time Fast charging: 30 minutes charging for 2 hours operating Range up to 50 m/150 ft Power consumption operation: typ. 1 W Power consumption standby: ≤0.5 W (without charging) Signal-to-noise ratio analog input: typ. 85 dBA at 1 Vrms RF output power max. 10 dBm Class 1 Operating time up to 9 hours Power supply Receiver: built-in Lithium-Polymer rechargeable battery BAP 800, 3.7 V, 350 mAh Power supply Transmitter: 5 V , 600 mA Battery Specification Integrated battery BAP 800, 3.7 V, 350 mAh Color dark grey Frequency 2,4 - 2,48 GHz Powering Receiver: Auto On / Off Transducer principle (headphones) dynamic, neodymium magnets Connection analog input: 3.5 mm jack socket Connection Input voltage range: 0,15 … 4,0 Vpk Latency