Description:   Features:Wireless design transform your speaker and headset into a wireless Bluetooth speaker and headset easily. Can connect two Bluetooth devices at the same time. Compatible with IOS and Android devices such as for iMac and laptop, for iPad and tablet, for smartphone, etc. Fashionable pen-clip design, you can clip it in collars and pockets.Mini and light, portable and easy to carry. Descriptions:Can be used in devices supported 3.5mm audio input.Support home stereos, speaker, car stereos, headphones, etc. Built-in high clarity microphone, and advanced voice technology, you can enjoy music at any place indoor by wireless control. Specifications:Model: MP-S100Bluetooth Version: 4.0Interface: AUX PlugPower: DC 5VBattery Model: Built-in Lithium BatteryStandby Time: 30DaysTalk Time: 5HTransmission Speed: 24MbpsTransmission Distance: Approx. 15meter/49.21ft(without obstacles)Material: metalTotal length: Approx. 6.3cmDiameter: Approx.1.4cm Color: golden, silver Package included:1 x Bluetooth Receiver Pen1 x USB Cable1 x User Manual  Notes: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.2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks!