1、6 in 1 Multi Function Pen: Including touch screen function, laser pen function, recording function, Bluetooth electronic pointer function, U disk function and business writing pen function. 2、Intelligent Noise Reduction: Recording while writing, long distance recording, you can record the sound source noise reduction technology when you hear it, and restore the human voice clearly. 3、Electronic Pointer Pen: Bluetooth wireless remote control, PPT page up and down presentations, comfortable and easy. 4、Capacitive Pen Tip: Can be used on both mobile phones and tablets, and write memos, paintings, documents, and notes as you like. 5、USB Charging Interface: No need to replace the battery, long battery life to meet various needs. 1 x Multifunctional Pen4 x Replacement Refill1 x User Manual Item Type: Digital Voice Recorder PenMaterial: MetalProduct Size: Approx. 17.1 x 2.1 x 1.4cm / 6.7 x 0.8 x 0.6inBluetooth Version: V 4.0Laser Pointer: 650nm Wavelength, Less Than 1mW, In Line With Class 3A Safety LevelRecording Parameters: Mono 32Khz 16bits WAV FormatInterface: USBBattery Type: 600mAh Li Ion Battery (Built in)