• Use with mobile phones/MP3/tablets etc. to turn your old car stereo/home stereo/3.5mm wired headphones into wireless
• Support TF card to play MP3/WMA format music
• Built-in Type-C charging port
• Built-in microphone, support wireless hands-free calling
• The latest noise cancellation technology provides excellent call quality
• Built-in 280mAh battery lasts long, up to 12 hours
• Compatible with ios and Android devices 
• Built-in colorful breathing light with different color adjustment

Specifications:

• Model number: GR07
• Bluetooth-compatible version: 5.3
• Battery capacity: 280mAh
• Product weight: 28g
• Operating current: 15- 20mA
• Playback time: 12h
• Product size: 120* 25*200mm
• Charging time: 1h