Abingo BT30NC PRO Hybrid ANC A...

Product Description Wireless Version: V5.1 Transmit distance: 10 meter Impedance: 32Ω±15% Driver: 40mm Frequency Response: 20Hz-20000Hz Playtime: ANC BT: around 40 hours ANC: around 45 hours BT: around 45 hours Standby: around 400 hours Capacity: 600 mAh Charging current: DC 5V 1A