Description
Caption Companion is an 8-inch tablet style device that offers free, unlimited, fast, secure, and accurate realtime AI captioning.
- No account. No sign-up. No subscription. Not even an internet connection is required. Captioning can also appear on any of your existing devices or screens.
- Caption Companion comes uniquely paired with a SmartMic for unprecedented accuracy and versatility.
- Need to connect remotely to a human captioner instead? Yep, this thing can do that too.
Because Caption Companion can operate without relying on Wi-Fi or cloud-based services, it is a strong fit for schools, government agencies, medical settings, legal environments, conferences, and organizations where privacy and reliability matter.
Captioning can appear directly on the Caption Companion device, on existing screens, or on large displays and projectors. You can overlay caption text, issue devices for attendees to carry, or use Caption Companion as part of a larger accessibility setup.
Caption Companion also comes paired with a Bluetooth SmartMic for improved accuracy, flexibility, and better performance in real-world environments.
SmartMic Included
Caption Companion comes paired with a Bluetooth SmartMic for improved accuracy and flexibility. Several useful accessories are also included, making the device versatile for classrooms, meetings, events, presentations, and public venues.
****
Class Act accepts authorized purchase orders. We also offer volume purchasing discounts. To request a formal quote, place an order using a purchase order or inquire about volume purchasing discounts, please contact sales@classactinterpreting.com.
Caption Companion Technical Specifications
Detailed specifications for the Caption Companion tablet and SmartMic, including hardware, connectivity, power, and data usage requirements. Specs apply to the current model. Inquire if you need specifications for a previous model sold before 2025.
Tablet Specifications
Display
| Size | 8.7 in (220.5 mm) |
|---|
| Resolution | 1340 × 800 (WXGA+) |
|---|
| Technology | TFT LCD, 16M colors |
|---|
Physical
| Build | Glass front; aluminum back and frame |
|---|
| Dimensions | 8.37 in × 4.91 in × 0.31 in
(21.2 cm × 12.47 cm × 0.8 cm) |
|---|
| Weight | 11.8 oz (334 g) |
|---|
Processor & Memory
| CPU | Octa-core, 2.3 GHz + 1.8 GHz |
|---|
| RAM | 4GB |
|---|
| Storage | 64GB |
|---|
Connectivity
| USB | USB 2.0 Type-C |
|---|
| Audio | 1/8 in (3.5mm) TRRS jack |
|---|
| Wi-Fi | 802.11 a/b/g/n/ac, 2.4GHz & 5GHz, VHT80 |
|---|
| Bluetooth | 5.3 |
|---|
| NFC / MHL | Not supported |
|---|
OS & Sensors
| Operating system | Android 16, One UI 8.0 |
|---|
| Internal microphone | Omnidirectional, pickup range approx. 15ft (4.5m) |
|---|
| Sensors | Accelerometer, geomagnetic sensor, ambient light sensor |
|---|
| Body SAR | 0.68 W/kg |
|---|
Power, Battery & Data Usage
Battery & Charging
| Battery type | Lithium-ion polymer, non-removable |
|---|
| Capacity | 5100mAh |
|---|
| Active working time | Approx. 11 hours of active captioning screen on |
|---|
| Charger output | 5 V / 3 A, 15W wired charging |
|---|
| Charge time | Approx. 4 hours from 0–100% with included brick and cable |
|---|
| Included cable | 3 ft / 36 in / 92 cm USB-C to USB-C charging + data cable |
|---|
With the included charger, the tablet charges at about 1% every 2 minutes, approximately 0–95% in 3.5 hours. The last 5% may take around 30 minutes. Roughly 20 minutes of charging provides about 60 minutes of active captioning time.
As with all portable electronics, some battery capacity degradation is normal over years of use.
Internet
- Offline AI captioning in 18 languages/dialects requires no internet.
- Online AI captioning in 81 languages/dialects requires at least 1 Mbps up/down.
- Human remote captioning requires at least 1 Mbps up/down for audio-only, pre-scheduled service.
- Human remote interpreting requires 2–3 Mbps up/down for audio and video, pre-scheduled service.
Data Consumption Per Minute
- 0 MB/min — offline AI captioning
- 1 MB/min — online AI captioning, no data used when no audio is detected
- 1 MB/min — human remote captioning, audio feed only
- 22 MB/min — human remote interpreting/captioning, audio and video feed
