1.Name: Lenovo HE05
2.BT Version: 5.0
3.Material: Metal, Silicone, TPE
4.Transmission Distance: 10m (no obstacle)
5.Waterproof: IPX5
6.Dustproof: IP6X
7.Battery: 3.7V / 100mAh
8.Working Time: about 8 hours
9.Standby Time: about 120 hours
10.Charging Time: about 2 hours
11.Color: Black, Red, White (Optional)
12.Horn Diameter: 10mm
13.Speaker Sensitivity: 98dB
14.Frequency Response Range: 20-20kHz