- Designed for HawkEye Firefly 8S, YI 4K, YI 4K+ sports action cameras
- Support recording and photograph, taking photos, video recording. Effective distance up to 10m. Only once pairing needed. One year long battery endurance.
- Bluetooth 3.0 connection, easy to operate
- Working distance: 10m
- Replaceable single 3V CR1632 cell battery