- JBL pure bass sound
- Active noise cancelling with smart ambient
- 4 microphones for perfect calls
- Water resistant and sweatproof
- All-day fit and comfort
Enjoy hassle-free, hands-free calls in stereo. The Tune Flex are equipped with 4 microphones, so you'll always be heard with perfect clarity. Never hesitate to take or make a call again. And with VoiceAware, you can choose how much of your own voice to hear by controlling the amount of microphone input routed back into your earbuds.