Ear Bud XT91
Brand: Lenovo
Product Model: Ear Bud XT91
BT version: V5.0
Connection distance: 10m
Frequency response: 20Hz-20kHz
Endurance time: 300 hours(with charging case)
Battery capacity: 300mAh(charging case), 40mAh(earbud)
Charging case size: 6 * 4 * 3cm /2.36 * 1.57 * 1.18in
