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.