Mini 503 Bluetooth Sports Headset comes with improved sweatproof design, perfect for running, jogging, cycling, etc. Moreover, it features soft cushion on-ear ear-pads, ergonomically designed headband, and lightweight design makes it comfortable for long time wear.

specifications
Compatible with: Bluetooth device
Compatible cards: TF/micro SD card
Radio function: FM
Compatible files: MP3, WMA
Compatible systems: Windows98/2000/XP
USB Interface: High Speed USB 2.0
Charging power supply: computer USB port DC 5V; DC 5C (500mA) travel charger; DC 5V (500mA) Car Charger
Battery: DC 3.7V
Continuous working time: about 5 hours
Charging time: about 2-3 hours
Frequency response: 20Hz-20KHz
The signal to noise ratio:> 85db
Color: Black/Silver/Gold/White/Red/Blue

features
Improved sweatproof design, perfect for running, jogging, cycling, etc.
Comfortable Wearing: Soft cushion on-ear ear-pads, ergonomically designed headband, and lightweight design makes it comfortable for long time wear.
Adjustable folding breathable headband for comfort, secure, easy and convenient wearing.
Low power consumption and support hands-free function.

packing list
1 x Mini 503 Bluetooth Sports Headset