| Features | |
| Features HD stereo sound effect Can answer or hang up call↔? redial the last outgoing number Supports volume adjustment function With LED indicator light Allows you to enjoy your favorite music or videos at anytime | |
| General Specs | |
| Brand & Model | mini-503 |
| Bluetooth | V3.0+EDR |
| Bluetooth Protocol | Headset↔? Handsfree↔? A2DP↔? AVRCP |
| Frequency | 2400-2483.5MHz |
| Transmission Range | 10 meters |
| Talking Time | Approx. 2-3h |
| Standby Time | Approx. 250h |
| Audio Time | Approx. 7h |