Product specification:
Frequency range: 2400.0-2483.5MHzv
Bluetooth chip: CSR 4.1
Transmission distance: 10 meters
Talk time: 10 hours or more
Charging time: 3 hours
Standby time: 300 hours or more
Play time: more than 28 hours
can insert card,MP3,radio Weight: 68 g
Package includes:
1 * box
1 * charging line
1 * instruction

• Retractable Earbuds Neckband Headphones
• Outstanding Long Battery Life
• Creative Foldable Body Design - The foldable function makes our bluetooth headphones more convenient to carry,you can put it in your bag and pocket, no need to worry it will be break off.
• Enjoy music at the same time you can also synchronize the work of your hands,folding more fashionable
• Please read instructions carefully

Retractable Earbuds Neckband HeadphonesEiffel