Technical specifications:

• Brand: OPPO
• Headphone type: in-ear
• Connection type: Wireless
• Purpose: For phones, iPhone
• Series: OPPO Enco Air4
• Bluetooth version: 5.4
• Bluetooth codec: SBC, AAC, LHDC
• Bluetooth profile: A2DP, AVRCP, HFP
• NFC: No
• Battery life: up to 12 hours
• Additional energy from the case: up to 44 hours
• Range: up to 10 meters
• Microphone: Yes
• Volume control: Yes
• Active noise cancellation (ANC): Yes
• Voice assistant compatibility: Google Assistant
• Dedicated app: Yes
• Additional information: Google Fast Pair, Enco Master equalizer, touch control, gaming mode, OPPO Golden Sound, pairing with multiple devices.
• HI-Res Audio:
• Frequency response: 20 - 40000 Hz
• Dynamic (SPL) (dB): 112
• Headphone construction: in-ear, True Wireless
• Driver diameter (mm): 12.4
• Charging port: USB-C
• Foldable design: No
• Color: Black
• Original color name: Black
• Weight (g): 4.4
• Resistance:
• Dust and water: IP55
• The seals are resistant to dust and water according to the IP54 standard, but the charging case is not.
• Avoid using them during intense workouts to prevent damage from sweat.
• Equipment: seals, charging case, user manual, USB cable
• Compatibility: Portable and stationary devices that support audio playback via Bluetooth, some special features available after installing the app.
• App compatibility: HeyMelody
• App compatibility: Android from version 7.0, iOS from version 13.2
• Manufacturer code: ETEA1