Technical Specs
| Speaker drivers | JBL 5.8mm dynamic |
| Maximum volume | 111dB SPL |
| Frequency response | 10Hz - 22kHz |
| Bluetooth version and profiles | 4.2, A2DP v1.3, AVRCP v1.6, HFP v1.6, HSP v1.2 |
| Bluetooth transmitted frequency & power | 2.402GHz - 2.48GHz, <4dBm |
| Bluetooth transmitted modulation | GFSK, π/4, DQPSK, 8-DPSK |
| Battery type | Rechargeable lithium-ion (3.7V 2x50mAH) |
| Battery life | Up to 5 hours with audio and heart rate enabled |
| Battery charge time | Less than 2 hours |
| Controls | Three-button controller, right earbud touch sensor |
| Connector | Micro USB |