Features<br />Stylish headphones with stereo sound effects<br />Supports FM radio<br />Can be used for data transmission<br />Supports an external TF/micro SD card up to 8GB<br />Foldable design for easy storage<br />Charges through a computer USB port， travel charger or car charger<br />General Specs<br />Brand & Model K700 <br />Sound Excellent super bass stereo sound<br />Earphone Type Wireless headphones<br />Frequency Response 20Hz-20KHz<br />S/N Ratio > 85dB<br />System Requirement Windows 98/2000/XP<br />Memory N/A<br />USB Interface USB 2.0<br />Extend Card Supports an external TF/Micro SD card up to 8GB<br />Battery BL-5B 890mAh， DC3.7V rechargeable lithium battery<br />Battery Run Time About 10 hours<br />Recharging Time About 2-3 hours<br />Operating Temperature 0°C-45°C<br />Compatibility MP3 players， computers<br />Power Supply DC 5V computer USB port， DC 5C(500mA) travel charger， DC5V(500mA) car charger<br />Package Details<br />Weight: 346.68 g<br />Size: 21*12.3*9 cm