Original OPPO Enco R True Wireless earphone earbuds 5.2 Motion, Music Noise Reduction IP5X Headset, Suitable For Android Phones

OPPO ENCO R Earphone
Type:In-ear True Wireless

Audio quality
Driver: 13.4 mm dynamic driver
Speaker sensitivity: 128 ±3dB@1kHz
Frequency response range: 20Hz ~ 40kHz
Audio codec: AAC / SBC

Noise cancellation
Call Noise Cancellation: Dual-Microphone AI Call Noise Reduction
Microphone sensitivity: -38 dBV/Pa

Bluetoth
Bluetoth version: BT 5.2
Effective Bluetoth range: 10 m

Battery Life
Battery type: Rechargeable lithium-ion battery
Battery capacity: 27 mAh(earphones)/ 300 mAh(charging case)
Music play time ( 50% volume)
4h (single charge), 20 h (with charging case)

Charging
Cable Charge Time*: 1.5h (earphones) | 2h(charging case)
Charging port: USB Type-C

Water and dust resistance
Water and dust resistance - Earphone: IPX4