- Bluetooth 4.0 technology with A2DP/HSP/AVRCP/HFP/APTX.
- Wireless & strong signal to universal audio devices, two ear pieces are easily to be connected within 10 meters (33ft).
- One key switch for multi-function, Power on / off, play music or pause.
- Active noise reduction circuit board, build-in stereo decoder to eliminate echo and reduce noise.
- The pair of true wireless Bluetooth earphones can be used together.