• Featuring Bluetooth 4.1 technology, the wireless FM transmitter automatically selects free frequency (range from 87.5 to 108 MHz) without interference while music playing

• Portable and easy to charge with a USB port

• Support to memorize the last FM transmitting frequency

• Even more stable and clearer

• Bulit-in 700mAh lithium battery support UP to 10-hour continuous playing

• Equips with one micro USB charge port

• High compatibility of Bluetooth device, such as iPhone, iPad, iPod, tablet, and android smartphones

Specifications:

• FM Frequency: 87.5MHz - 108.0MHZ

• Bluetooth Version: V4.1

• Bluetooth Range: Up to 30 feet

• Power Supply: 700mAh Li-polymer Battery

• Charging Input Voltage: DC 5V

• Charging Time: 2 hours

• Operation Time: up to 10 hours

• Dimensions: 70 x 30.5 x 19.5mm

• Net Weight: 35g