**Product Specifications:**
**Brand:** EDIFIER
**Model:** Zero Air
**Bluetooth Version:** Bluetooth V5.3
**Product Model:** EDF280030
**Audio Decoding:** SBC
**Sound Pressure Level:** 94±3dB SPL(A)
**Bluetooth Protocols:** A2DP/AVRCP/HFP
**Effective Range:** 10m
**Input:** DC5V-200mA (earphones), DC5V1A (charging case)
**Frequency Response:** 20Hz-20KHz
**Working Time:** Approximately 7+21 hours
**Product Colors:** Moon White/Summer Purple/Smoke Pink/Twilight Grey
**Features:**
27 years of acoustic expertise
Professional R&D technology and acoustic science
Patented sound cavity structure for comfortable zero-pressure wearing experience
Backward sound architecture for enhanced sound quality
0.06s low latency for gaming
28 hours of battery life with quick charge support
IP54 dust and water resistance
Patented U-shaped arc half in-ear structure for ergonomic and comfortable fit
AI intelligent call noise reduction for clear calls
Master-level tuning with 4 preset sound effects
Backward sound architecture for immersive audio experience
AI intelligent call noise reduction for clear calls
Earphones can be located and tracked using the EDIFIER CONNECT app
**Additional Information:**
The delay and battery life data are based on tests conducted by EDIFIER and may vary in actual usage scenarios.
The earphones need to be manually connected to the phone for the first time.
The EDIFIER CONNECT app can be downloaded from major app stores or by scanning the QR code in the product manual.
Instructions for finding lost earphones are provided in the user manual and through the app.
Product images are for reference only and actual products may vary slightly due to production factors.
**Brand Story:**
EDIFIER is a new and youthful brand with 27 years of expertise in the acoustic field. It caters to the audio, digital, and smart wearable devices for the younger generation. With a focus on product innovation and user comfort, EDIFIER aims to create a global ecosystem for audio technology applications.