Lenovo HT28 Earbuds Specifications:

- Brand Name: Lenovo

- Model Number: HT28

- BT Version: BT 5.0

- Frequency Range: 20-20000Hz

- Sensitivity: 98±3dB

- Impedance: 32Ω

- Transmission Distance: 10m/33ft

- Charging Case Capacity: 3.7V 400mAh

- Earphone Battery Capacity: 2* 3.7V 50mAh

- Music Time: about 4 hours

- Charging Time: about 1h

- Standby Time: about 100h

- Charging Port: Type-C

- Color: White, Black(Optional)

- Earphone Size: 43.5mm * 18.8mm * 22mm

- Earphone Weight: 9g/0.32oz (Pair of Earbuds)

- Charging Case Size: 80mm * 37.5mm * 33.5mm

- Charging Case Weight: 54g/1.9oz

- Package Size: 17.5*10*3.5cm/6.9*3.9*1.4in

- Package Weight: 113g/4.0oz

Package List:

- 1* Pairs of Headphones

- 1* Charging Case

- 1* Charging Cable

- 1* English User Manual

- 2 Pair* Backup Ear caps