Premium Multifunction Bluetooth Pen-Convert Wired Headphones to Wireless

• Features: Universal | Portable & Handy | With Collar Clip | Automatic Bluetooth Connection | Double Click to Dial the Last Number Call.
• Easy to Operate: Simply connect your speaker/ headset with the device, immediately transforms them into fashionable wireless speaker/ headset.
• COMPATIBLITY: Car Stereo | Home Stereos | Speaker | Headphones | Earphones which Support 3.5mm Audio Input Jack.
• Bluetooth v 4.1 + EDR Class 2 | Frequency Range :2.4GHz | Bluetooth Range: 15 meter | Battery: 180 mAH
• Audio Jack: 3.5mm | Body Shape: Cylendrical | Material: Plastic | Power Supply: DC 5V.
• Portable Design: Mini size with clip design that lets you carry the pen anywhere you want.
• Package Content: Wireless Bluetooth Receiver | 3.5mm to 3.5mm Adapter | English User Manual

Handy Instructions:

Shut Down: long press the middle button for three seconds until the red and blue lights double flash.

Language Switch: Double click the middle button to switch between Chinese and English.