| Name/Model |
BT11 |
Color |
Black/Silver |
| Hardware |
QCC5181 |
Dimensions |
Body: About 28mm x 21mm x 9mm |
| Weight |
About 3g |
USB port |
TYPE-C USB1.0 (Charging/Data transmission) |
| Firmware upgrade |
System firmware can be upgraded via USB |
Input |
5V 1A |
| Microphone function |
N/A |
Bluetooth codec |
Supports SBC/aptX/aptX LL/aptX Adaptive/
aptX Lossless/aptX HD/LDAC |
| Antenna processing |
Printing Direct Structure (PDS) |
| FiiO Control |
Supported |
Indicator light of current Bluetooth codec and working status |
Blue light pulsing: SBC
Purple light pulsing: aptX/aptX LL
Yellow light pulsing: aptX HD
White light pulsing: LDAC
Green light pulsing: aptX Adaptive/Lossless
Red and blue light flashing alternately: Pairing
Blue light flashing: Waiting for reconnection |
| Driver-free mode |
Supported |
| NFC |
N/A |
| In-vehicle mode |
Supported |
| Max. supported sampling rate |
96kHz/24bit |
| Bluetooth transmitting distance |
With obstacle: 35m+
No obstacle: 50m+ |
| Accessory |
Type-C protective plug, USB-A to USB-C adapter, Quick start guide, Warranty card |
