The ZERO-TX charging case is powerful despite its compact format. You can recharge the earphones up to 4 times, which gives a total playtime of a full 25 hours. The playtime on a single charge is +5 hours.

You get helped by the LED lights at the front of the charging case where you clearly can see the battery level during the charging process, since each LED represent 25% and when all the LED:s are shining the case is fully charged.

Powerful and dynamic sound

Despite the compact and light format is the sound reproduction still powerful and dynamic since it follows SUPRA’s sound design, to suit both for music as for voice calls, games and movies. Previous models have been awarded as “Product of the Year”, “Best in Test” and “Highly recommended”.

Quick’n easy pairing

ZERO-TX allows you to quick and easy connect to your device and the connection technology via Bluetooth 5.0 remains stable and reliable, so you do not have to worry about losing the signal. Thanks to our proprietary Quick’n easy pairing technology, will make the earphone connect to your device directly when you pick it up from the charging case, without any delay.

Single piece headset mode

ZERO-TX also has a so-called “Single piece headset mode” or “One piece function” (TWS+) that allows you to use only one earphone at a time during voice calls or music listening. A practical function if the battery level starts to get low so that you can use one earphone while the other one is being recharged. Many users prefer to use one earpiece at a time during voice calls in order to aware of the surroundings.