| Name/Model | FW5 |
| Color | Black |
| Weight | ≈ 6.4 g × 2 (units) ≈44.4 g (charging box only) ≈57.2 g (in total) |
| Dimensions | 28.4*22.9*22.6mm (units) 68.4*43.9*32.3 mm (charging box) |
| Bluetooth | Bluetooth 5.2 |
| Hardware solution | DAC: AK4332 Bluetooth: QCC5141 |
| Bluetooth(5.2) codec | SBC/AAC/aptx/aptx Adaptive/LHDC |
| Config | 1DD 2BAs |
| Bluetooth distance | ≈10 metres |
| Max sampling rate | 96kHz-24bit |
| Firmware upgrade | OTA via FiiO Control |
| Supported protocol | A2DP/AVRCP/HFP/HSP |
| FiiO Control | √ |
| EQ | EQ & PEQ support |
| Blue multipoint | support |
| Long press for 1s: reject the call/hang up the call | Long press 8s: reset |
| Game mode | Bluetooth latency will be lower, power consumption will be increased. |
| Indicator switch | Set the earphones indicator on and off |
| Charging protection | Units will stop charging when reach to 85% |
| Power saving shutdown | Set the timed shutdown(when music paused) |
| Channel balance | L12 ~ R12 (0.5 dB per level) |
| Filters | Four filters available |
| Charging time | Units: ≈1h Charging box: ≈1h40min |
| Battery capacity | Units: 65mAh Charging box: 380mAh |
| Battery life | ≈7h (units) + 14h (charging box) Test conditions: aptX, mobile phone: full volume, units: volume 19 |
| Call time | ≈ 5h30min Test conditions: aptX, call: volume 24, units: volume 19 |
| Power input | 5V 1A and above |
| Impedance | 32Ω@1kHz |
| Sensitivity | 108dB@1mW |
| Frequency response | 20Hz-20kHz |
