2 PCS TS1812 Type-C Plug In-Ear Digital Wired Earphone With Mic(Black) Type-Laptop Cases it is a good size

it is a good size for travel

read/write access mode/status LED indicator

40HQ: 688 cartons * 8 pcs = 5504 pcs

Environment Operating Temperature -20 - 70 Degrees Celsius

pay attention to choose POE switches with 4/5 and 7/8 power supply modes

2 PCS TS1812 Type-C Plug In-Ear Digital Wired Earphone With Mic(Black) Type-Laptop Cases it is a good size1. Plug: Type C 2. Frequency response range: 20 20000Hz 3. Impedance: 16 ohms 4. Sensitivity: 98dB 5. Earplugs earmuffs material: silicone aluminum alloy 6. Cable: TPE 7. Horn diameter: about 9. 2mm 8. Wire length: about 1. 2m 9. Weight: about 20g Features: 1. The metal integrated solid connector is used, and the digital chip is integrated at the interface, which can be plugged on both sides. 2. Universal Type C plug, wide compatibility, anti soft