It Is Thin, Light And Compact, Has More Advantages, And Has Better Performance After Optimization And Upgrade In Many Aspects.Complete Wifi And Bluetooth ProtocolsThe Io Port With Touch Function On The Board Is Used As Touch Signal InputOnboard Lithium Battery Charging And Discharging Circuit, The Orange Led Light Will Go Out When The Battery Is FullMore Direct, More Practical, More Professional And More ConvenientMain Frequency:240mHzProcessor:Tensilica LS6 Dual CoreLora Chip:SS1276Open Communication Distance:2.8kmDual-Mode Bluetooth:Traditional Bluetooth And Ble Low-Power BluetoothWorking Voltage:3.3-7VReceiver Sensitivity:-139Dbm (Sd12,125khz)Flash:8MbyteMain Control Chip:ESP32Supported Frequency Band:868-915mHzComputing Power:600 DmipsDevelopment Environment:Perfect Support For ArdWorking Temperature Range:-40-90CUdp Continuous Throughput:135MbpsTips:1. The Lora Communication Function Of Wifi Lora 32 Must Be Used With An Antenna With The Same Frequency. If There Is No Antenna, The Lora Chip May Be Damaged.2. The Onboard Lithium Battery Charging And Discharging Circuit. The Orange Led Light Will Go Out When The Battery Is Full. It Only Provides Basic Lithium Battery Charging And Discharging Functions And Cannot Monitor The Battery Temperature And Power. If Your Battery Was Not Purchased In Our Store, Use Be Sure To Pay Attention To The Positive And Negative Poles Of The Battery. Reverse Connection May Cause Explosion.Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseColour:As ShownMaterial:PCB+PlasticPackage Contents:1 * Development Board2 * Pin Header1 * Antenna1 * Pin Description PaperOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.