YYK-Q25 noise-canceling true wireless earbuds

1. Headphone parameters
Bluetooth version: V5.1 + EDR
Wireless frequency: 2.4GHZ
Support protocol: A2DP1.3 / HFP1.6 / HSP1.2 / AVRCP1.6 / D11.3
Transmission distance: 10 meters
Battery capacity: 45mAh
Charging voltage/current: 5V/1A
Play/call time: about 5-6 hours
Charging time: about 1 hour
Standby time: 120 hours
Speaker impedance: full-range speaker φ10MM, 32Ω
Microphone sensitivity: -42Db
Operating temperature: -10-50 ℃
Gross weight: 4 grams * 2

2. Charging box parameters
Bidirectional power display of earphone and charging box
Input voltage/current: 5V/1A
Battery capacity: 500mAh
Gross weight: 75 grams

3. Packing information
Carton quantity: 100 pieces/carton

4. Product list
Headphones * 2, charging box * 1, charging cable * 1, ear cap * 4, manual * 1