Lenovo HE05 Bluetooth 5.0 Neckband Wireless Stereo Sports Magnetic Headphones IPX5 Waterproof

Brand: Lenovo
Model: HE05
BT version: 5.0
Material: metal, silicone, TPE
Transmission distance: 10m (accessible)
Waterproof: IPX5
Dustproof: IP6X
Battery: 3.7V / 105mAh
Working time: about 8 hours
Standby time: about 120 hours
Charging time: about 2 hours
Color: black,
Horn diameter: 10mm
Speaker sensitivity: 98dB
Frequency response range: 20-20kHz