OPPO Enco W51 Wireless Earphones with Mic

• 【Active Noise Cancellation（ANC）】In-Depth noise reduction for an impressive sound experience.
• 【up to 24H Battery Life】Sufficient power can support up to 24 hours of use
• 【IP54 Dust & Water Resistant】Earphones are professionally designed and are certified IP54 dustproof and waterproof.
• 【Smart operation】Automatically connects when the case is opened and disconnects when you put the headphones back to the case. Music pauses when taken off, and continues to play when put on again.
• 【Supports Android and iOS】The earphones can be perfectly adapted to Android phones and Apple phones

Specifications

• Model: ETI21
• Charging case model: ETI22
• Driver: 7 mm dynamic driver
• Frequency response range: 20 Hz ~ 20 kHz
• Microphone sensitivity: -38 dBV/Pa
• Bluetooth codec: AAC/SBC
• Bluetooth version: 5.0
• Bluetooth range: 10 m
• Battery type: Rechargeable lithium-ion battery
• Battery capacity: 25 mAh (Earbuds) / 480 mAh (Charging Case)
• Playtime (50% volume)*
• With noise cancellation on: 3.5 hours (single charge); 20 hours with charging case
• With noise cancellation off 4 hours (single charge); 24 hours with charging case
• Charging time (wired charging)*: 80 minutes (earbuds) / 80 minutes (earbuds + charging case)
• Charging input (charging case): 5 V ⎓ 2 A