Frequently Asked Questions
What is the lowest mic frequency of the Energy Sistem Style 4 Ultra?
At 100 Hz, the Energy Sistem Style 4 Ultra ranks
#2 out of 35 — see ranking wireless earbud products — one of the Highest lowest mic frequency in this category.
How big is the Energy Sistem Style 4 Ultra battery?
At 30 mAh, the Energy Sistem Style 4 Ultra is 66% below the category average for battery capacity, ranking
#325 out of 349 — see ranking wireless earbud products.
What is the battery life of the Energy Sistem Style 4 Ultra?
At 5 hours, the Energy Sistem Style 4 Ultra is 52% below the category average for battery life, ranking
#604 out of 678 — see ranking wireless earbud products.
What is the battery life of charging case of the Energy Sistem Style 4 Ultra?
At 20 hours, the Energy Sistem Style 4 Ultra is 30% below the category average for battery life of charging case, ranking
#403 out of 563 — see ranking wireless earbud products.
How big is the Energy Sistem Style 4 Ultra battery?
At 400mAh, the Energy Sistem Style 4 Ultra is 23% below the category average for battery power (charging case), ranking
#209 out of 274 — see ranking wireless earbud products.
What is the highest frequency of the Energy Sistem Style 4 Ultra?
At 20000 Hz, the Energy Sistem Style 4 Ultra is 15% below the category average for highest frequency, ranking
#132 out of 652 — see ranking wireless earbud products.
Does the Energy Sistem Style 4 Ultra have wireless charging?
Yes, the Energy Sistem Style 4 Ultra has wireless charging. Only 31% of wireless earbuds have this feature.
How does it compare?
How does the Energy Sistem Style 4 Ultra's lowest mic frequency compare to similar wireless earbudss?
At 100 Hz, the Energy Sistem Style 4 Ultra leads the
Earfun Air Pro 4 (20 Hz) by 80%.
How does the Energy Sistem Style 4 Ultra's battery life compare to similar wireless earbudss?
At 5 hours, the Energy Sistem Style 4 Ultra trails the
Technics EAH-AZ100 (12 hours) by 58%.
How does the Energy Sistem Style 4 Ultra's battery life of charging case compare to similar wireless earbudss?
How does the Energy Sistem Style 4 Ultra's highest frequency compare to similar wireless earbudss?
At 20000 Hz, the Energy Sistem Style 4 Ultra trails the
Technics EAH-AZ100 (40000 Hz) by 50%.
How does the Energy Sistem Style 4 Ultra's battery capacity compare to similar wireless earbudss?
At 30 mAh, the Energy Sistem Style 4 Ultra trails the
Earfun Air Pro 4 (54 mAh) by 44%.
How does the Energy Sistem Style 4 Ultra's charge time compare to similar wireless earbudss?
How does the Energy Sistem Style 4 Ultra's battery power (charging case) compare to similar wireless earbudss?
At 400mAh, the Energy Sistem Style 4 Ultra trails the
Earfun Air Pro 4 (600mAh) by 33%.