Feature: 1. A full-featured product that can be used as a mouse pad, Bluetooth speaker, microphone, mobile power bank, electronic notebook, etc. 2. Use PU leather, can be used as a mouse pad, wearresistant and scratchresistant, smoothly to touch. 3. Can be connected to mobile phone Bluetooth, one speaker on the front and back, dualchannel stereo desktop music player. 4. Comes with USB output power supply, convenient, fast and more efficient. Three shunt USB out 5V 1.5A. 5. Compatible with most brands of mobile phones, tablets, game consoles, Bluetooth devices, MP3.MP4, etc. on the market. Specification: Item Type: LCD Writing Tablet Material: ABS+PU+LCD screen Version: V4.2 Transmission Distance: Approx. 10meter / 32.8ft Microphone: 2-channel condenser microphone Speaker: Dual channel, stereo Speaker: 4Ω2W Battery: 4000mAh lithium battery Input: DC 5V 2A Output: DC 5V 1.5A LCD tablet parameters LCD Screen: Approx. 16.5cm / 6.5in Button Battery: CR 2032, 210 mA Stylus: POM Writing Pressure: 100-200g LCD Handwriting: Thin Lock Screen Switch: Yes Writing Time: 100000 times Size: Approx. 215 x 300mm / 8.5 x 11.8in Package List: 1 x Stylus Pen 1 x LCD Handwriting Board 1 x Multi-Function Panel 2 x Audio Cable 1 x Data Line 1 x User Manual Note: 1 x Stylus Pen 1 x LCD Handwriting Board 1 x MultiFunction Panel 2 x Audio Cable 1 x Data Line 1 x User Manual