EW33 True Wireless Bluetooth Headset Feature: 1. Bluetooth 5.3 2. Battery capacity: charging case 300mAh; earphone 25mAh 3. Use time: 3.5 hours; Standby time: 150 hours 4. Size: 62.1*54*23.6mm; total weight: 117.6g 5. Open the cover, take out the headset and turn it on, support master-slave switching and summon for Siri 6. Lighter-style cover design, zinc alloy shell, full of sense of technology

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