Compatible with: iPhone,iPod,Laptop,Mobile phone,MP3,MP4,MP5,PC <br>Supports: Bluetooth,Hands-free Calls,Volume Control <br>Connection: Wireless <br>Interface: Micro USB <br>Audio Source: Bluetooth Enabled Devices <br>Material: Aluminum <br>Color: Gray<br><br><br>Power Source: USB <br>Lasting Time: 4 Hours<br>Battery Type: Lithium Battery<br><br>Product weight: 0.058 kg <br>Package weight: 0.148 kg <br>Product size (L x W x H): 5.20 x 5.20 x 2.50 cm / 2.05 x 2.05 x 0.98 inches <br>Package size (L x W x H): 8.00 x 8.00 x 5.00 cm / 3.15 x 3.15 x 1.97 inches