OPPO ENCO Air 3 TWS Earphone Wireless Bluetooth Earbuds AI Noise

Material : Plastic Width[mm] : 1.845 Depth[mm] : 3.31 Weight[g] : 3.75 Height[mm] : 1.845 Battery Capacity[mAh] : 300 Battery life up to[hours] : 25 Voice assistant built-in : No NFC Technology : No Sound Isolating : No Category : Earphones amp; Headphones Charging Method : Charging case Bluetooth Version : 5.3 Package List : User Manual,Charger,Charging case Features : With Microphone,Active Noice Cancelling Codecs : AAC,sbc With Microphone : Yes Is wireless : Yes Support APP : No Support Memory Card : No Waterproof : No Frequency Response Range : 20 - 20Hz Plug Type : NONE Function : Common Headphone,For Mobile Phone,Sport Active Noise-Cancellation : Yes Volume Control : Yes Control Button : No Vocalism Principle : Other Wireless Type : bluetooth Communication : Wireless Style : In-ear Origin : Mainland China Brand Name : OPPO Earphone Model : ETE31 Charging case model : ETE32 Bluetooth version : BT5.3 Charging port : USB Type-C Water resistance (earbuds) : IP54 Oppo Enco Air 3 is China Version. 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: 13.4mm Dynamic Unit Driver sensitivity: 1253dB @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 (charg