USB + Bluetooth + Dongle connection
360° Omnidirectional Speakerphone with 5 meters pickup range
Built-in 4,000mAh battery with 18 hours talking time
Small and portable size
Echo cancellation
Buttons: Bluetooth, Mic mute, Volume +, Volume -, Pickup/ hang up, power
Cascading: daisy chain 2 sets M400 speakerphones by 3.5mm Audio cable
| Model | iSpeaker M400 |
| Microphones | 6 mics, Omnidirectional |
| Echo cancellation | yes |
| Pick-up Distance | 5 meters |
| Speaker | 3W, Dynamic, 40mm. FR:200-10Khz |
| Bluetooth range | Up to 10m(30ft), Class2 |
| Bluetooth version | 5.0, compatible with 4.1/4.0/3.0/2.1 |
| Paired devices | Up to 8 trusted devices |
| SNR | 65db |
| Talk time | Up to 18-20H |
| Battery capacity | 4,000mAh |
| Bluetooth audio bandwidth | A2DP, Wideband |
| Compatible software | Skype, Google, Zoom, Face time, Teams, GotoMeeting … |
| Support OS | Windows all, Android 6.0+, iOS 8.0+ |
| Connectivity | Type C and Bluetooth connection |
| Charging port | Type-C port: charging and data connection |
| 2.5m Aux Cable（3.5mm） | Daisy chain: cascade 2 M400 with aux cable |
| Size | D 130mm x H 38.2mm |
| Net weight | 290g |
| Gross weight | 540g |
| Touch Key | 6 |
| RMS | 3W |
| Dongle | Yes |
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