E1 Smart Noise Reduction Unilateral Ear-mounted Bluetooth Earphone (Black Blue) Filter-USB Sound 40HQ: 745 cartons * 240

40HQ: 745 cartons * 240 pcs = 178800 pcs

AA battery * 1

Loading Container 20GP: 554 cartons * 80 pcs = 44320 pcs

Microphone impedance: less than or equal to 2

100% perfect fitting

E1 Smart Noise Reduction Unilateral Ear-mounted Bluetooth Earphone (Black Blue) Filter-USB Sound 40HQ: 745 cartons * 240Features: 1. Bluetooth 5. 0 chip, faster and more stable connection, no delay 2. Intelligent noise reduction, high definition call 3. Multi function buttons, one handed operation, safer driving 4. Support Chinese and English switching, call voice assistants, answer hang up calls, adjust volume, previous song next song, etc. 5. It is comfortable to wear and will not fall off 6. Life grade waterproof and sweat proof 7. Compatible with all Bluetooth