Product Model Number: BT-B20 (CSR8675 Chipset) Compatible Standards: Bluetooth V5.0 TX Playback Time: 22H (Max) RX Playback Time: 18H (Max) Communication Distance: 10M (Varies depending on the usage environment) Rated Voltage: DC 5V Charging Time: 3 hours 【Bluetooth 5.0 & Optical Digital Support】 Compatible with Bluetooth 5.0. The new version has faster transfer speeds and significantly improved effective operating distance! The transmission distance is up to 10 meters. You can enjoy a free listening style without worrying about the length of headphone cables. 【Two-in-One】 Transmission Mode (TX): Makes non-Bluetooth TVs and video equipment wireless, allowing you to enjoy them with Bluetooth speakers and headphones. Reception Mode (RX): Makes your existing portable speakers and audio equipment wireless, allowing you to enjoy audio from Bluetooth smartphones and tablets wirelessly. 【Low Latency & High Sound Quality】 Supports high-quality audio codecs aptX and apt-X Low Latency, minimizing the delay in Bluetooth communication compared to SBC and AAC, reducing stress. You can comfortably enjoy TV viewing and games without feeling a time difference between sound and video. In addition, it also supports the aptX HD codec, which enables high-resolution sound quality playback, allowing you to enjoy music with even higher sound quality. 【Dual Connection & 18-22 Hours Playback】 Equipped with a multi-point function, it can transmit audio to two Bluetooth devices simultaneously in transmitter mode. In receiver mode, it can connect to two smartphones simultaneously. You can enjoy music and movies wirelessly with family and friends at home. It charges fully in about 3 hours and can be used continuously for 18-22 hours. It is equipped with an overcharge protection function, which automatically stops charging when charging is complete. Accessories, instruction manual, and outer box are all included. No price reduction, immediate purchase is possible. #Hakase★Taro's Listed Products