Wireless headphones are a very popular addition to your smartphone. They can also be a source of various impurities and just a new model from the brand Tronsmart. The new Tronsmart Onyx Free model is of the true wireless type and will also offer UV sterilization.
Historic coupon in EU stock
If you are considering buying wireless headphones Tronsmart Onyx Free, we recommend you buy through the well-known AliExpress e-shop or Geekbuying.com. In addition to the favorable price, thanks to pre-sale you will also get shipping from EU warehouses completely free.
Video review
Qualcomm chip and design
The dimensions of the case in which the headphones are located are 65,74 x 29,61 x 32,37 mm. The handset itself, which is housed in a case, measures 27,02 x 17,86 x 24,45 mm. Equipment includes Qualcomm QCC3020 chip, increased protection with certification IPX7.
The inverter has a diameter of 6 mm inside and the manufacturer promises quality bass also thanks to the PU material used on the diaphragm.
The headphones also contain a hardware button for launching individual functions or launching the relevant voice assistant. Audio quality is ensured through Qualcomm aptX, AAC and SBC technology. A Qualcomm cVc 8.0 chip is also available to provide ambient noise cancellation.
UV sterilization
UV sterilization takes place directly in the charging box. Whenever you put them in, they clean themselves and keep them free of bacteria. This is a type of sterilization UV C and UV A.
Endurance up to 35 hours
The endurance of the headphones varies at the level 7 hours per charge. If a charging box is used, the endurance with a fully charged box is 35 hours. The headphones support "mono" use for telephony or "stereo" use for music playback.
There is a modern connector USB Type C for charging, but also Bluetooth in the current version 5.0. According to the manufacturer, the range of Bluetooth technology is at the level of 15 meters in optimal conditions.
