Zealot B38 Over-Ear Noise Reduction Bluetooth Earphone(Black) Filter-Wireless Charger Receiver You can save money by

You can save money by using CF memory card when you try it on computer

High density texture

40HQ: 578 cartons * 10 pcs = 5780 pcs

Battery Capacity 3x18650 batteries

40HQ: 1138 cartons * 200 pcs = 227600 pcs

Zealot B38 Over-Ear Noise Reduction Bluetooth Earphone(Black) Filter-Wireless Charger Receiver You can save money byParameters 1. Bluetooth version: V5. 2 2. Connection range: 10m 3. Speaker size: 40mm x 2 4. Charging voltage: DC 5V 5. Signal to noise ratio: 90dB 6. Working voltage: 3. 7V 7. Frequency range: 20Hz 20KHz 8. Battery capacity: 250mAh 9. Product size: 168x189x82mm 10. Product weight: 208g Features 1. Foldable design, light and beautiful, soft and skin friendly, comfortable to wear. 2. Use Bluetooth 5. 2 chip to improve the anti interference ability of