SIMOLIO 2.4G Digital TV Wireless Headphones, SM-824D1

SIMOLIO 2.4G Digital TV Wireless Headphones with Spare Battery for Seniors, Dialog Clarity Wireless Headphones for TV Watching with Tone & Balance Control, Support Optical/RCA/AUX, 100ft, No DelaySIMOLIO professional hearing protection and assistance TV headphone or normal wireless TV headphone?
1.Normal wireless TV headphone:
Amplifying all the sounds on the TV, it’s very hard for the seniors to pick up the TV conversations from the magnificent background sound, so they have to constantly increase the decibel levels, which eventually makes their hearing worse and worse.Pairing and sound delay of Bluetooth are annoying.2.SIMOLIO professional hearing protection and assistance TV headphone:
Voice highlighting and noise cancelling tech dynamically reduces the TV background sound, making the TV dialogue stand out, allowing you to easily understand the TV dialogue at a healthy volume level.You can customize your sound at a most comfortable volume level, via balance and tone controls plus mono/stereo option.The built-in microphone lets you separately amplify people’s voice nearby. You don't have to take off your headphone to hear what people are talking to you.NO pairing required, NO delay.IMPORTANT!
Before purchasing, check audio output of your TV/related audio source first, Digital Optical (Toslink/SPDIF), RCA or 3.5mm AUX audio out port is what we need. When using TV optical audio out, MUST set your TV audio format to PCM.Not for TVs with non-functional audio out ports (test before purchase). When hooking up an external audio device, some TV internal speakers might not work or become muted. This is TV’s feature.Please refer to the related video and product comparison table at this page for details.If you experience any problem when connecting to your TV system. Pls refer to the user instructions or reach to support team, we are confident to get one good solution for you.The under-chin headset weights 2.04 oz, for sensitive ear canals, please check SIMOLIO neckband in-ear headset SM-828D1/SM-828D2, or over-ear wireless tv headphone SM-825D Pro or wireless TV speaker SM-621D as alternative. Check SIMOLIO store or the comparison table down the description part for more models designed for TV listening.These RF products are not available for pacemaker carrier as well as people with severe hearing loss.
The personal sound amplifier function is designed as an additional & unique feature to help hearing impaired people to temporarily hear what people are talking to him when watching TV.
Press the MIC button at the rear of the headset to pause the TV sound and turn to “personal sound amplifier” mode, it will amplify the sound around, press it again to return to the wireless listening function. Note: It can't be replaced or used as a hearing aid.
Spare Battery Included / Convenient Charging with Two Main Charging Slots / Intelligent Power SavingEquipped with a spare battery and an extra battery charging compartment to avoid TV watching being interrupted by the charging process.For protection of transmitter and power saving, the transmitter will go into standby automatically if there is no audio signal for 5 minutes, if there is no audio signal from the transmitter within 5 minutes, the headset will be shut off automatically. If the audio signal returns, the transmitter will be automatically re-start, but your have to restart the headset by switching it off then switching it on by hand.

Multiple Audio Out Ports SupportsCompatible with most TVs on the market, the SIMOLIO SM-824D1 supports Optical, RCA and 3.5 mm / AUX audio outputs. For Optical connection, make sure the audio format of your TV/TV related AV device must be set to “PCM”.
For RCA connection, make sure the RCA ports are labeled as ”AUDIO OUT/OUTPUT/AV OUT”.
For 3.5mm/AUX connection, it’s better to try it with a wired headphone to see whether it will disable your TV internal speakers. For TVs with only Optical audio out and occupied by a sound bar, you will need to purchase an optical splitter for installation.
For TVs with only Coaxial output, you will need
TV Sound Out and Audio Format SettingFor TVs that support only single sound out, we don’t recommend to use this SIMOLIO unit to watch tv together with your family. Unless you have a sound bar + splitter.
For some TVs, you can play audio through TV internal speakers and an external audio device simultaneously by setting the “Sound Out” to “Internal TV Speaker + Audio Out(Optical)”. For digital optical connection, make sure to set your TV/TV related AV device’s audio format to PCM. Dolby / DTS is not supported. The menus for sound out and audio format setting are not the same from different TV brands. please refer to your TV manual for details.
TV & TV Related AV Devices' Volume SettingSufficient sound output is needed to ensure Simolio working properly.
VOL.1 > 40%, VOL.2 > 30%, just for your reference. The bigger the VOL.1 and VOL.2, the better the S/N (Signal-to-Noise) of your Simolio unit.
Usually we suggest to fix the VOL.1 to a sufficient level, and adjust VOL.2 to control TV's volume.
If the audio output signal is too weak, it will cause the following problems:
no sound from the headsetthe sound of the headset cuts in and outthe headset automatically shuts off every