Sure, here's the updated table with the header color changed from green to grey: ```html
| Specifications |
| Size (Main Display) |
8.7" (220.5mm) |
| Main Camera - Resolution |
8.0 MP |
| Weight (g) |
366 |
| CPU Speed |
2.3GHz, 1.8GHz |
| Processor |
| CPU Speed |
2.3GHz, 1.8GHz |
| CPU Type |
Octa-Core |
| Display |
| Size (Main Display) |
8.7" (220.5mm) |
| Resolution (Main Display) |
1340 x 800 (WXGA+) |
| Technology (Main Display) |
TFT |
| Color Depth (Main Display) |
16M |
| Camera |
| Main Camera - Resolution |
8.0 MP |
| Main Camera - Auto Focus |
Yes |
| Front Camera - Resolution |
2.0 MP |
| Main Camera - Flash |
No |
| Video Recording Resolution |
FHD (1920 x 1080) @30fps |
| Storage/Memory |
| Memory (GB) |
3 |
| Storage (GB) |
32 |
| Available Storage (GB) |
19.5 |
| External Storage Support |
MicroSD (Up to 1TB) |
| Connectivity |
| USB Version |
USB 2.0 |
| Location Technology |
GPS, Glonass, Beidou, Galileo |
| Earjack |
3.5mm Stereo |
| MHL |
No |
| Wi-Fi |
802.11 a/b/g/n/ac 2.4G+5GHz, VHT80 |
| Wi-Fi Direct |
Yes |
| Bluetooth Version |
Bluetooth v5.0 |
| NFC |
No |
| Bluetooth Profiles |
A2DP, AVRCP, DI, HID, HOGP, HSP, OPP, PAN |
| PC Sync. |
Smart Switch (PC version) |
| OS |
| Android |
| General Information |
| Form Factor |
Tablet |
| Sensors |
Accelerometer, Geomagnetic Sensor, Light Sensor |
| Physical Specification |
| Dimension (HxWxD, mm) |
212.5 x 124.7 x 8.0 |
| Weight (g) |
366 |
| Battery |
| Battery Capacity (mAh, Typical) |
5100 |
| Removable |
No |
| Audio and Video |
| Video Playing Format |
MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM |
| Video Playing Resolution |
FHD (1920 x 1080) @30fps |
| Audio Playing Format |
MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA |
