YYK-520 Bluetooth Earphone 525 New Business Edition With Charging Bin Rotating V8 V9 Upgraded Version 5.0

1. Headphone parameters Bluetooth version: V5.0+EDR Wireless frequency: 2.4GHz Protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Transmission distance: 10 meters Battery capacity: 50mAh Charging voltage/current: 5V/1A Play/talk time: approximately 6 hours Charging time: approximately 1 hour Standby time: 120 hours Horn impedance: φ 8MM 32 Ω Mic sensitivity: -42Db Working temperature: -10-50 ℃ 2. Charging compartment parameters Input voltage/current: 5V/1A Battery capacity: 400mAh Gross weight: 150g Net weight: 85g 3. Packaging size: 14.5 cm * 8.0 cm * 2.5 cm 4. Product List Earphones * 1, charging compartment * 1, charging cable * 1, ear caps * 4, instruction manual * 1