Previous page Next page 1 Optimal TV Volume 2 3 TONE Presets 3 Convenient Charging 4 Easy to Use 5 Wired Mode Previous page Next page 1 Long Range 2 One to Multiple 3 Perfect Gift Idea SIMOLIO Wireless TV Speakers and Headphones SM-621D (Blue) Add to Cart SM-621D (Grey) Add to Cart SM-621D (Black) Add to Cart SM-621D (Silver) Add to Cart SM-829D1 Add to Cart SM-829D2 Add to Cart JH-737D2 Add to Cart Wireless Technology RF 2.4GHz wireless RF 2.4GHz wireless RF 2.4GHz wireless RF 2.4GHz wireless RF 2.4GHz wireless RF 2.4GHz wireless Bluetooth Enhanced Dialog Mode ✔ ✔ ✔ ✔ ✔ ✔ ✘ Operating Range 100ft / 30m 100ft / 30m 100ft / 30m 100ft / 30m 100ft / 30m 100ft / 30m 164ft / 50m Digital Optical Supported ✔ ✔ ✔ ✔ ✔ ✔ ✔ Charging & Transmitter 2-in-1 ✔ ✔ ✔ ✔ ✔ ✔ ✔ Bypass to Soundbar ✘ ✘ ✘ ✘ ✔ ✔ ✔ Pair One to Multiple Yes Yes Yes Yes Yes Yes Two Tone Control ✔ ✔ ✔ ✔ ✔ ✔ ✘ Balance Adjustment ✘ ✘ ✘ ✘ ✔ ✔ ✘ Battey Replaceable ✔ ✔ ✔ ✔ ✔ ✔ ✘ TV Connection Option Optical, RCA, 3.5mm AUX Optical, RCA, 3.5mm AUX Optical, RCA, 3.5mm AUX Optical, RCA, 3.5mm AUX Optical, RCA, 3.5mm AUX Optical, RCA, 3.5mm AUX Optical, RCA, 3.5mm AUX