Protocol: Huawei SPP, port 16
- Fetch device information and battery level: ✅
- Fetch in-ear status: ✅
- Control noise cancellation: ✅
- Wear detection (aka auto-pause) configuration: ✅
- Set double-tap action: ✅
- Set long-tap action: ✅
- Split configuration store
- Change voice language: ✅
- English, Chinese
- Firmware update