The product's shade and actual color may differ from what is shown in the picture, as the images are for illustrative purposes. The product description is general and may not include all the product's features.
Energy Sistem Style 4 Headphones True Wireless Stereo (TWS) In-ear Calls/Music USB Type-C Bluetooth Grey
39,00 €
Monthly payment from 1.90 €
1530722 453504
8432426453504
Shipping 3-7 b.d.
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Your music always on
Wireless earphones with case to charge the battery wherever you go. This way you’ll never miss your music! Up to 25 hours of battery life (5 hours per earphone charge, plus an additional 20 hours in the charging case).
ESmart Connect app
Customise your earphone settings with the ESmart Connect app. With sound equalisation functions and Find my earbuds (to easily find your earbuds when you mislay them). Configure playback to your liking with Touch Control, and enjoy OTA updates on your device.
Lightweight and compact
With their ergonomic design, True Wireless Style 4 earphones fit snugly in your ear, so you can listen to your favourite tracks in total comfort. The charging case is so light and compact that you can keep them in your pocket, in your backpack, or at the bottom of your handbag.
Voice assistant and touch control
Energy Sistem wireless earphones come with Voice Assistant to help you easily find what you are looking for using voice commands. With Touch Control, Bluetooth® 5.1 wireless technology, True Wireless with automatic synchronisation, and hands-free function.
Performance | |
| Product colour | Grey |
| Volume control | Button |
| Headset type | Binaural |
| Wearing style | In-ear |
| Control type | Touch, Buttons |
| Recommended usage | Calls/Music |
| Product type | Kõrvaklapid |
| LED indicators | Status |
| Works with the Google Assistant | Yes |
| Works with Apple Siri | Yes |
| Music playback | Yes |
Ports & interfaces | |
| Frequency band | 2.4 GHz |
| Bluetooth profiles | A2DP, AVRCP, HFP, HSP, SBC |
| Bluetooth version | 5.1 |
| Wireless range | 20 m |
| Connectivity technology | True Wireless Stereo (TWS) |
| USB connector | USB Type-C |
| Bluetooth | Yes |
Headphones | |
| Driver unit | 1 cm |
| Headphone frequency | 20 - 20000 Hz |
| Ear coupling | Intraaural |
| Driver type | Dynamic |
Microphone | |
| Microphone frequency | 100 - 10000 Hz |
| Microphone sensitivity | -42 dB |
| Microphone type | Built-in |
Battery | |
| Continuous audio playback time | 5 h |
| Battery technology | Lithium Polymer (LiPo) |
| Battery charge indicator | Yes |
| Battery recharge time | 1.5 h |
| Battery voltage | 3.7 V |
| Battery type | Built-in battery |
| Right earpiece battery capacity | 30 mAh |
| Left earpiece battery capacity | 30 mAh |
| Continuous audio playback time (with charging case) | 25 h |
| Battery recharge time (charging case) | 1.5 h |
| Battery technology (charging case) | Lithium Polymer (LiPo) |
| Battery capacity (charging case) | 400 mAh |
| Input voltage (charging case) | 3.7 V |
Weight & dimensions | |
| Weight | 42 g |
| Depth | 35 mm |
| Height | 30 mm |
| Width | 65 mm |
Packaging content | |
| Quick start guide | Yes |
| Cables included | USB Type-C |
| Charging case | Yes |
| Charging case capacity | 400 mAh |
| Charging case type | Wired |
| Charging case connector type | USB Type-C |
Packaging data | |
| Package type | Box |