Oppo Enco Free2 Quick Start Manual page 7

English
Restore to factory settings
1. Place your earbuds into the charging case and leave the lid open.
2. Press and hold the Function button for 15 seconds. When the indicator blinks red 3 times, your earbuds have been
restored to factory settings.
Specifications
• Earbuds model: ETI71
• Charging case model: ETI72
• Driver: 10 mm dynamic driver
• Frequency response range: 20 Hz - 20 kHz
• Microphone sensitivity: –38 dBV/Pa
• Bluetooth codec: AAC/SBC
• Bluetooth version: 5.2
• Bluetooth range: 10 m
• Battery type: Rechargeable Li-ion Battery
※ All these specifications were obtained based on tests in OPPO laboratories. The charging time was tested in OPPO laboratories at a temperature of 25°C
using a standard OPPO charger. The actual results may differ slightly based on environmental factors and the charger used.
※ This guide is provided for reference only. The actual product may differ in appearance and features.
• Battery capacity:
41 mAh (earbuds) / 480 mAh (charging case)
• Media playback time (50% volume)*:
Noise cancellation on:
4 h (earbuds) / 20 h (earbuds + charging case)
Noise cancellation off:
6.5 h (earbuds) / 30 h (earbuds + charging case)
• Charging time (wired charging):
90 min (earbuds) / 90 min (earbuds + charging case)
• Charging input (charging case): 5 V ⎓ 1 A
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