Lenovo Ear Buds HT05

Excellent Compatibility with BT5.0, HF Sound with Super
Extra Bass, Easy to Operate with Touch Control, 4 Hours
Playing Time for Music, Battery Capacity: Earphone
40mAh Charging Bin 250mAh, Horn Diameter: 10mm,
Speaker Sensitivity: 108dB, Frequency Response
Range: 20-20KHz, Distance: 10m Barrier-free