Upgraded Bluetooth Chip 5.3, supporting both single and dual-ear mode usage. Answer: tap L/R earbud once to answer the incoming call. Wireless version: V5.3. TWS PairingIt enters pairing mode once turning on, and the light of one earbud flashes red and blue,when it connects successfully with the phone, the light goes off; when the phone disconnectswith the earphone, the light of one earbud flashes red and blue.
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