ST-2009 RooPods Bluetooth True Wireless Earphone

Earbuds:
Bluetooth 5.0
Impedance: 16 Ω
Frequency Response: 20Hz – 20kHz
Operating Distance: Up to 10m
Battery: 50mAh X2 Rechargeable Li-ion Battery
Operating Time: Up to 3.5 hours
Charging Time: About 1.5 hours
Net weight: 5.5g X2

Charging case:
Battery: 700mAh Rechargeable Li-ion Battery
Operating: support to charge up to 5 times
Charging Time: Around 3 hours
Net weight: 46g
Dimension: 45.5 X 52 X 51.05 mm