Features:<br>Easy to carry, small size and light weight, you can play your favorite music at any time.<br>Easy to use and connect to almost any Bluetooth device.<br>Super-portable Audio-streaming Power<br>The KN319 is just 44mm ( 1 . 73 across and weighs only 1 8g ( 0 . 630Z , but has gotpowerful wireless audio streaming capabilities , Slip this transmitter & receiver into yourbackpack or laptop bag and take it on-the-go without the slightest effort .<br><br>Specifications:<br>Model: KN319<br>Technologies: BT4.2, A2DP, AVRCP (receiver mode)<br>Operation Range: up to 10 m / 33ft (without blocking objects)<br>Charging time: 2 hours<br>Continuous Use Time: 6 hours (Receiver Mode) / 5 hours (Transmitter Mode)<br>Battery Type: Li-Polymer (200 mah)<br>Dimensions: 44 × 44 × 12mm<br>Weight: 18g<br><br>Package included:<br>1x Bluetooth 4.2 Audio Transmitter / Receiver Adapter<br>1x Micro USB Power Cable<br>1x RCA Cable<br>1x3.5mm Aux Cable<br>1x Manual<br><br>Notes:<br>1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.<br>2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks!