Energy Sistem Style 4 Ultra features 30 mAh battery.
Design
| Fit i | Earbud (108 others) |
| Has no wires or cables i | ✔ (570 others) |
| Are neckband earbuds i | ✖ |
| Wingtips included i | ✖ |
| Has stereo speakers i | ✔ (674 others) |
Sound quality
| Has active noise cancellation (anc) i | ✖ |
| Has passive noise reduction i | ✖ |
| Driver Unit Size i | 10 mm (141 others) |
| Lowest frequency i | 20 Hz (573 others) |
| Highest frequency i | 20000 Hz (513 others) |
Power
| Battery Life i | 5 hours (50 others) |
| Battery Life Of Charging Case i | 20 hours (31 others) |
| Charge time i | 1.5 hours (232 others) |
| Battery Power i | 30 mAh (17 others) |
| Battery power (charging case) i | 400mAh (16 others) |
| Has wireless charging i | ✔ (201 others) |
| Has a battery level indicator i | ✔ (669 others) |
| Has a rechargeable battery i | ✔ (180 others) |
Connectivity
| Has fast pairing i | ✖ |
| Has usb type c i | ✔ (603 others) |
| Bluetooth Version i | 5.1 (17 others) |
| Has ldac i | ✖ |
| Has ldhc i | ✖ |
| Has aptx adaptive i | ✖ |
| Has aptx low latency i | ✖ |
| Has aptx hd i | ✖ |
Microphone
| Number of microphones i | 2 (83 others) |
| Has a noise canceling microphone i | ✔ (520 others) |
| Mic sensitivity i | -42dBV/Pa (8 others) |
| Highest mic frequency i | 10000 Hz (19 others) |
| Lowest mic frequency i | 100 Hz (29 others) |
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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?
At 20 hours, the Energy Sistem Style 4 Ultra trails the EarFun Air Pro 4 Plus (42 hours) by 52%.
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?
At 1.5 hours, the Energy Sistem Style 4 Ultra trails the Nuraphone NuraTrue Pro (1 hours) by 33%.
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%.