A9 Pro ANC ENC Wireless Earbuds Touch Control Double Dark Noise Reduction Black Model : A9 Pro ANC/ENC Double Dark Noise Reduction Touch Control Touch screen playback control. Headphone volume control. 13mm drivers for rich, immersive sound Quick Type-C charging Noise reduction/pass-through switching. Bluetooth version: 5.4 Transmission distance: ≥10 meters (without obstacles) Long talk time: 3-4 hours Listening time to music: 3-5 hours With charging case: 20 hours of playback Input voltage: DC5V 1A Charging time: 1 hour Headphone Battery Capacity: 30mAh Charging compartment battery capacity: 500mAh Product Material: ABS Product color: White Evener setting. Alarm clock/timer setting. Screen brightness adjustment. Fifteen languages are switching. Lock screen wallpaper setting. Headphone location finding. Time/date setting. Short video switching and liking. Remote control cell phone to take photos. LED lighting. Support language: English Whats is Box : 1x A9 Pro ANC ENC Wireless Earbuds 1x Type-C cable 1x User manual 1x Lanyard 6x Large and small ear caps