English 
Suomi 
SHOKZ OpenComm2 UC 2025 Upgrade Bone Conduction Wireless Headset with USB-C Dongle Black
General
| Brand | Shokz |
|---|---|
| Model | OpenComm2 UC 2025 Upgrade |
| Manufacturer Part Number | C120-AC-BK-EU |
| Product Type | Bone Conduction Wireless Headset |
| Color | Black |
Audio
| Audio Technology | 7th-Generation Bone Conduction |
|---|---|
| Frequency Response | 20 Hz – 20 kHz |
| Speaker Sensitivity | 96 ±3 dB |
| Speaker Impedance | 8.5 Ω ±20% |
Microphone
| Microphone Type | Adjustable boom microphone with DSP noise reduction |
|---|---|
| Microphone Sensitivity | -38 dB ±3 dB |
Connectivity
| Wireless Technology | Bluetooth 5.1 |
|---|---|
| Wireless Range | Up to 30 m |
| Multipoint Connection | Yes (2 devices simultaneously) |
| Paired Devices | Up to 8 devices |
| Wireless Adapter | Shokz Loop120 USB-C dongle included |
Battery
| Battery Type | Lithium-ion |
|---|---|
| Battery Capacity | 183 mAh |
| Talk Time | Up to 16 hours |
| Listening Time | Up to 8 hours |
| Standby Time | Up to 14 days |
| Charging Time | Approx. 60 minutes |
| Quick Charge | 5 minutes charge for up to 2 hours talk time |
| Charging Port | USB-C |
Durability
| Water Resistance | IP55 (dust and splash resistant) |
|---|
Compatibility
| Supported Platforms | Windows, macOS, iOS, Android |
|---|---|
| Supported Software | Shokz Connect, Shokz App |
| UC Platforms | Zoom, Microsoft Teams, Google Meet and other UC systems |
Physical
| Dimensions | 135 × 170 × 68.3 mm |
|---|---|
| Weight | 35 g |
| Frame Material | Titanium wraparound frame with silicone coating |
Package Contents
| Included Items | OpenComm2 UC headset, Loop120 USB-C wireless adapter, carrying case, USB-C charging cable, documentation |
|---|
Identifiers
| MPN | C120-AC-BK-EU |
|---|---|
| GTIN / EAN / UPC | 810160663294, 810160663232 |
