Wireless vacuum headphones with microphone Bluetooth HEONYIRRY H21 Black

Main advantages:

• Multifunction buttons allow you to answer or end a call, play music, change the music volume, pause the sound, switch tracks.
• Wireless interface
• Connection via Bluetooth
• Supports Android, iOS, Windows
• Built-in microphone, you can use the headphones as a headset.
• Sweat resistance
• High sound quality
• Stylish sporty design
• Music playback for up to 3 hours
• Ideal solution for sports, leisure and office work
• < span style="font-size:14px"> Signal reception up to 10 meters.

• Frequency range: 20-20000 Hz
• Operating distance: up to 10 meters
< li> Headphone sensitivity: 123 dB
• Resistance: 32?
• Bluetooth version: 4.1
• Protocol support: A2DP, AVRCP, HSP, HFP
• Music listening time: up to 3 hours
• Talk time: up to 3 hours
• Charging time : up to 2 hours
• Length: 0.7m
• Weight: 16 g