1. Bluetooth version: V5.3 2. Bluetooth protocol: A2DP, AVRCP, HFP 3. Effective distance: about 10m 4. Power supply: lithium battery included 5. Working time: about 7h (earphones) + 21h (charging case) 6. Input: 5V 200mA (headphones) / 5V 1A (charging case) 7. Frequency range: 20Hz-20KHz 8. Sensitivity (SPL): approximately 94 dB 9. Packing list: charging case x 1, earphones x 2, storage bag x 1, charging cable x 1, manual x 1 Characteristics: 1. Charger with OLED display, icons show connection, power and other status, clear and concise 2. 13mm composite diaphragm moving coil unit, strong resolution, rich music details are truly reproduced, low, medium and high three-frequency balance 3. 65ms low latency mode, sound and image synchronization. 4. Bluetooth 5.3 module technology, anti-interference, low power consumption, fast and stable transmission 5. The headset can listen to songs for 7 hours on a single charge, with the charging compartment with up to 7 + 21 hours of battery life, supporting fast charging 6. Equipped with intelligent call noise reduction algorithms, intelligent reduction of ambient noise, to retain a clear human voice 7. IP54 level dustproof and waterproof, no need to fear daily rain and sports. 8. U-shaped half-ear curve, tightly fit the ear canal, stable and uniform force, long-term wearing comfort 9. One-key Bluetooth connection, no master-slave restrictions, simple and dual switching experience without sense 10. Easy to operate at the touch of a button 11. Through Edifier Connect, you can freely define various functions of the headphones, and the app provides four different EQ modes to switch between.
