SIMOLIO TV Headphone Receiver Replacement for SM-829D1 & SM-829D2

ADDITIONAL 2.4GHz WIRELESS TV HEADPHONE - It is compatible with SM-829D1 & SM-829D2 2.4GHz wireless tv headsets. No adapter included. WIRELESS REPLACEMENT HEADPHONES FOR TV WITH AMBIENT SOUND MODE - The built-in MIC button is designed to pick up and amplify your ambient sound so you can hear your surroundings without taking off your wireless TV headsets. VOICE HIGHLIGHTING TECH AND BALANCE CONTROL - The voice highlighting tech makes the TV dialog stand out from the background sound. The balance control allows for right/left volume adjustment to hear equally well with both ears. MAX COMFORT - These over ear wireless TV headphones come with ergonomic designed protein earmuffs and retractable soft-padded headband providing lasting comfort. Full-sealed noise isolating ear pads effectively reduce the outside noise and let you understand your TV dialogues with lower volume. LONG BATTERY LIFE, UNIQUE AUDIO SHARE FUNCTION - With the built-in rechargeable battery provides up to 12 hours wo