Lenovo HT28 Ear Buds

Wireliss Portability, Volume, IOS Electricity Display,
Tactile
Player/Pause/Play, Hands-free calls, Bluetooth Version:
V5.0, Driving Unit: Φ8mm, Frequency response range:
20-20KHZ, Wireless propagation distance: Approximately
10 meters, Music time: Approximately 4 Hours, Standby
time: Approximately 100 Hours, Charging time:
Approximately 1 hour, Battery Capacity: 400mAh,
Headphone Battery capacity:
60mAh