【Plug & Play with Switchable Output】 NEEWER PP1 is a cordless, rechargeable phantom power for singing, interviewing, broadcasting live streaming, and stage performing regardless of the location. The 48V/12V convertible output suits different condenser microphones and shotgun microphones and provides a safe power source 【Extended Battery Life】 Built with a 2200mAh rechargeable battery, PP1 can be fully charged in 2.5 to 3 hours and provide a long battery life from 14 to 40 hours for long recording sessions. LED power indicators display the remaining battery and turn red when the battery level is below 10%. A USB Type C cable is included. Note: Always charge PP1 with a 5V USB wall charger 【Excellent Audio Quality】 PP1 is designed for premium audio recording with minimum noise. The metal housing shields the device from high frequency electromagnetic interference, and the built in filter circuit also ensures that the signal is free from interference 【Universal XLR Connectors】 Universal XLR input and output are compatible with a broad range of condenser microphones and music recording equipment like mixers, audio interfaces, and recording consoles 【Durable & Lightweight】 Merely 11oz (316g) in weight, PP1 can slide into your bag and travel around the world with you for outdoor recording and performance. The rigid metal shell is strong and durable to withstand bumps nad impacts.