Bluetooth headset - HOCO SELECTED S7. Equipped with a noise reduction system. Allows you to play high quality, clear sound in HD version. Noise reduction technology increases the quality of the sound being played, bringing listening to your favorite music a new dimension. Capacitive battery (50 mAh) ensures extended operation time. Compact size and lightweight design make it easier to store the product and do not burden your ears, ensuring comfort of listening to music even for several hours. Wireless transfer lets you listen to your favorite music without using a cable. Ergonomic design ensures a perfect fit to the shape of the ear. Specification: Bluetooth version: V5.0 Charging voltage: DC5V Charging time: 1.5 hours Battery capacity: 50 mAh Size: 97*45*18 mm Weight: 9g Connection / music time: 4h Standby time: 80h