Lenovo is the brand name. HE05 sport earphones are a type of earphone. Ear-bud style. People can use wireless communication to talk to each other. The cord's length is 0.5 meters. IPX-5 standard provides waterproofing. Yes, the headphones have active noise-cancellation. This HE05 Bluetooth Neckband Earphone product’s design features magnetic attraction. The battery capacity is 80 mah. The battery can last for 120 hours in standby mode. During 9-12 hours of working time, the average person is employed. The range of frequencies 20-20 kHz covers the entire audible spectrum. The cable connection distance is 10 meters. Silicone pads cover headphone wires. Support Memory Card: None Vocalism uses a dynamic approach to vocal expression. In addition to adjusting the volume, this option lets users choose between Yes and No. Determines if the button is pressed down or not. The band uses a microphone attached to their instrument. The item can be used for mobile phones, computers, video games, sports, and high-fidelity headphone. The HE05 Bluetooth Neckband Earphone is Waterproof and microphone-equipped, this earbud is also noiseless.