Bluetooth version: 5.3 Bluetooth profiles: A2DP1.2, AVRCP1.0, HSP1.0, HFP1.5 Waterproof rating: IPX5 Standby time: 40H±10H Talk time: 7H±0.5H Music playtime: 8H±0.5H Charging time (headset): 2H±0.2H MFB key control Support clearing pairing LED digital power display on charging case
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