Porodo Soundtec Deep Sound Wireless Headphone PD-X1008WLHDescription Porodo Headphones supports Bluetooth version 5. 0. Its frequency range is 20 2KHz and the Bluetooth protocol is HFP, SPP, AVBCI, and AZDP. It takes 2 hours for this headphone to be full charge. When it is going to be full of charge you can use it for 21hours or in another hand you can find 21Hours playtime or if youre in the hurry you can charge it for 15 minutes and use it for 1Hour. The pure Bass wireless Headphone is comfortable over