Product name:Lenovo HT28 Wireless Earphone
Color: Black, White
Shell Meteria:ABS+PC
Headsets Size: 43.5*18.8*22mm
Chargag box:80*37.5*33.4mm
Bluetooth version: V5.0
Waterproof:IPX4
Headphone battery capacity: 3.7V/60mAh
Charging seat battery:400mAh
Connection distance: about 10M
Play Time: 4-6 hours
endurance:6H+100H endurance
Control mode: Touch control
Rated power:20 MW
Wheat wind sensitivity:-42db soil 3 db