Lenovo HE05 wireless In-Ear Neckband Earphones-Black

Lenovo HE05 Neckband Blue tooth Headset Sports Color: Black, White, Red BT Version: BT 5.0 Transmitting Distance: ≥10M/33ft Frequency Range: 20-20KHz Drive Diameter: 10mm Battery: 3.7V / 80mAh Input specifications: DC 5V=35mA Standby Time: About 120 hours Earbud Weight: 33g / 1.16oz Charging time: About 1 hour Function: Phone call answering, Song switch, music