Specification
| Bluetooth Version: | V5.2 |
| Bluetooth Clip: | AB1561 |
| Speaker impedance: | 32Ω±15% |
| Transmission Distance: | about 15 meters |
| Transmission power: | Class 2 |
| Horn Size: | 27mm |
| Frequency: | 2402~2480MHz |
| Mic Sensitivity: | -45dB |
| Battery Capacity: | 180mAh/5V |
| Charging Time: | < 2 hours |
| Standby Time: | about 220 hours |
| Bluetooth Duration: | about 18 hours |
| Working Voltage: | 3.3~4.2V |
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