Product Name:  Lenovo True Wireless Earbuds HQ08
Bluetooth Version: 5.0
Frequency Responses Range: 20 Hz-20K Hz
Speaker Sensitivity: 98db
Charging Time: about 1hour
Wireless Propagation Distance: Approximately 10m
Charging Time: about 1hour
Battery Capacity: Earbuds 30 mah, Charging bin 400mAH
Play Time: 4 hours
HD sound with super extra bass
Low-latency technology with 3D sound effects.
Product G.W.: 0.2kg, N.W.: 0.1kg
Packing size: 16.2*9.3*4CM