Wireless audio transceiver that receives (RX) or transmits (TX) stereo audio via Bluetooth 5.0. Supports both TOSLINK optical and 3.5 mm AUX connections, enabling bidirectional audio routing between Bluetooth devices and wired audio systems (e.g., TVs, soundbars, amplifiers, or speakers).
| Bluetooth Version | 5.0 |
| Frequency Range | 2.402–2.480 GHz |
| Transmission Distance | ~10 m |
| Audio Interfaces | TOSLINK (optical), 3.5 mm AUX |
| Battery | 3.7 V / 300 mAh (rechargeable) |
| Operation | Battery-powered |
| Material | ABS |
| Color | Black |
| Device Dimensions | 64 × 64 × 18 mm |
| Package Dimensions | 120 × 100 × 55 mm (4.7 × 3.9 × 2.2 in) |
| Package Weight | 155 g (5.5 oz) |