【50 Hours Playtime & Outer Dual LED Display】 Playtime lasts for over 10 hours from single charge and total 50 hours with charging case. Dual digital LED power display outside of the case is to show the power level for charging case and bluetooth headphones. When charging for the case, the LED light will start to flash from 1 to 100. 【Spatial Audio Sound & Bluetooth 5.3 Technology】Psier wireless headphones use 10mm large size speaker driver(the drive area is 2.77 times than the normal drive area) tracking places sounds all around you to create a stereo listening experience for music, movies, and more. Adopting Bluetooth 5.3 technology aims to provide a more stable connection and get a 2X fast transfer spped, no worry about any delay. 【One Step Pairing & Intelligient Touch Control】Take out the headphones from charging case,they will turn on and pair with each other, then select the Bluetooth [S16] to connect on your device's Bluetooth. After connect successfully, you can freedomly to control your earphones for your instruction. A multi-function touch panel on each headphones lets you play and pause audio, adjust volume, answer and hang up calls, activate Siri or Google Assistant, and more. Ship or pick up at my address .first come first served, advance payment can be reserved. I'm in Franklin South.