Lenovo Original True Wireless Earbuds - QT82

BT Headphone In-ear Sports Earbuds Sweatproof Earphone Noise Reduction Headphone

Model: QT82 
BT version: V5.0
Connection distance: 10m
Speaker unit: 13mm
Waterproof level: IPX5
Standby time: Up to 80 hours
Play time: About 6-8 hours
Charging case input: 5V 500mA
Battery capacity: 400mAh(charging case), 40mAh(earbud)
Charging case size: 5 * 4 * 2.5cm /1.97 * 1.57 * 0.98in