Wireless Bluetooth earphones

Specification:

• Bluetooth version: V5.3
• Earphone battery capacity; 70mAh
• Charging compartment battery capacity: 450mAh
• Charging time; About 1 hour (preferably more than 1 hour for the first charge)
• Transmission distance: approximately 10 meters
• Sensitivity (microphone): -38bv/pa
• Overcharge protection: 0.1 * 250mAh=25mAh
• Undervoltage protection: Vin-4.4v
• Working temperature/storage temperature: -20 ℃ to 70 ℃

Quote Now