Oppo A53 Mobile Phone

Buy this earbuds designed to conform perfectly to the shape of the ear. It receives signals on both sides at the same time which lowers latency and makes connection to be more stable. Its built-in Bluetooth 5.0 chip boosts resistance to signal interference and allows you to enjoy uninterrupted audio. The earbuds are also designed in such a way that they connect automatically to your device whenever you use them within 10 meters after the initial pairing. Once fully charge, you can enjoy up to 5 hours of playback time without the charging case, or 20 hours with it.

Model:  ETI41

Charging Case Model:   ETI42

Driver:    8 mm dynamic driver

Driver Sensitivity:   99 dB @ 1kHz

Frequency Response Range:      20 Hz- 20 kHz

Microphone sensitivity:  -38 dBV/Pa

Bluetooth® version:         5.0

Bluetooth Range:               10 m

Battery type:       Rechargeable Lithium-ion battery

Battery capacity:                40 mAh (Earbuds) 400 mAh (Charging Case)

Music play time:          (50% volume)    5 h (single charge)   20 h (with charging case)

Charging time:              120 min(Earbuds) 120 min (Earbuds +Charging Case)

Dust & Water Resistance   (Earbuds)            IP55

Weight (approx.)             4.4g/Earbud，35.5g/Charging Case, 44.3g/Headphones

Charging Port     USB Type-C

Color:     White, Black