Lenovo Ear Buds HT38

Comfortable Lightweight Portability, Half in ear,
Comfortable to to wear, Touch control, Easy to use,
Bluetooth version: V5.0, Battery capacity of earbud:
30mAh, Battery capacity of charging case: 250mAh,
Playing time: Approximately 3 hours, Speaker drivers:
Φ13mm, Speaker sensitivity: 100±3dB (IEC711 At
1kHZ), Frequency response range: 20-20KHz, Distance:
10m barrier-free, Wearing method: Half in ear