Translucent Jelly Case

HiFi 5 DSP for Audiophile-Grade Processing

OPPO Alive Audio for Immersive Surround Sound

13.4mm Large Composite Driver

AI Deep Noise Cancellation for Calls

Binaural Low-latency with Bluetooth 5.3 Transmission

Model: ETE31 Charging case model: ETE32

Audio quality

Driver: φ13.4mm Dynamic Unit

Driver sensitivity: 125±3dB @1KHz

Frequency response range: 20~20KHz

Microphone sensitivity: -38dBV/Pa

Bluetooth

Bluetooth codec: AAC/SBC (music), CVSD/MSBC (conversation)

Bluetooth version: BT5.3

Bluetooth range: 10m

Battery Life

Battery type: Rechargeable Lithium-ion Battery

Battery capacity: 27mAh (earbuds) / 300mAh (charging case)

Communication time (50% volume): 6h (single charge) / 25h (with charging case)

Charging

Charging time*: 1.2H (earbuds) / 2H (earbuds + charging case)

Charging input (charging case): 5V ⎓ 1A

Charging output (charging case to earbuds): 5V ⎓ 400mA

Charging port: USB Type-C

Water resistance (earbuds): IP54

The earbuds are IP54 dust and water resistance, but the charging case is not. Avoid using them during strenuous exercise to prevent damage from perspiration.

Specifications

• Material
  Plastic
  Voice assistant built-in
  no
• NFC Technology
  no
  Sound Isolating
  YES
• Category
  Earphones & Headphones
  Charging Method
  Charging case
• Impedance Range
  up to 32 Ω
  Bluetooth Version
  5.3
• With Microphone
  Yes
  Is wireless
  Yes
• Support Memory Card
  No
  Waterproof
  Yes
• Frequency Response Range
  20 - 20000Hz
  Active Noise-Cancellation
  Yes
• Volume Control
  No
  Control Button
  No
• Vocalism Principle
  Dynamic
  Wireless Type
  bluetooth
• Connectors
  None
  Communication
  Wireless
• Style
  In-ear
  Certification
  CE
• Origin
  Mainland China
  Brand Name
  OPPO