SIMOLIO Wireless Digital TV Headphones for Seniors, 2.4GHz TV Wireless Headphones with Spare Battery & Microphone & Charging Dock, TV Hearing Amplifier SM-824D1.

["OPTICAL / RCA/ AUX AUDIO CONNECTION SUPPORTS MOST TVS, ADVANCED 2.4GHZ FHSS TECHNOLOGY, NO PAIRING OR DELAY - Wireless headphones for TV with advanced sound reproduction and the signal can pass through ceilings and walls. The effective range is up to 100 Feet.", "SINGLE DIGITAL WIRELESS TV HEADPHONES - Voice enhancement & noise reduction reduce background noise while watching TV and make conversations clearer. The auto signal control stabilizes the output, avoiding damage to your hearing from a sudden increase in TV volume.", "ADJUST THE TV SOUND TO YOUR NEEDS - Choose the TONE to hear at the optimal sound frequency. The balance control allows you to adjust the volume right and left so you can hear equally well with both ears. MONO/STEREO optional.", "SPARE BATTERY, PERSONAL SOUND AMPLIFIER - A spare battery is charged with the base and is always ready for extended TV viewing. The personal sound amplifier mode allows you to hear what people next to you are saying without having to remove the TV wireless headphones.", "IMPRESSIVE DURABILITY AND FLEXIBILITY - The arms of the wireless TV headphones are made of durable material and can be adjusted to a comfortable shape. Ear cushions and ear loops made of super soft memory foam give you a sense of relaxation. Not suitable for pacemakers.", "NO HDMI CONNECTION, NO BLUETOOTH - If your TV only has HDMI ports, you will need an external HDMI converter to connect (sold separately). NOT compatible with TVs that only support Bluetooth connections."]