Redmi's Bluetooth headset is very good.
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2. Because Redmi's wireless Bluetooth headset uses Bluetooth 5.0 protocol. The connection distance of this protocol is very long, and in use, the more the sound will not appear intermittent. And the results are good. Smart wireless Bluetooth headphones that can have four different sound effects.
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3. I hope my answer can help you.
Red Rice Bluetooth headset is better, because it is very good sound quality, performance is also very powerful.