Upgraded Bluetooth 5.3 Chip: New Bluetooth 5.3 chip signal transmission speed reaches 4Mbps, providing you with 2X faster transfer speeds and almost eliminating the phenomenon of delay and lag in audio and video. To achieve a stable connection within 15m, increasing the freedom of your wireless earbuds use. After the first time you turn wireless headphones on, the earbuds wireless bluetooth automatically go into pairing mode, then they automatically pair with the last device you used.
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