Specifications Battery Capacity: 400mAh Charging Time: 2H Charging Port: Type-C Playtime: 20H Speaker Size: 40mm Bluetooth: V5.3 Transmission Distance: Up to 10M Features Hands-Free Calls TF Card Playback Button Controls Description The Porodo Soundtec Nova Wireless Headphone is the best accessory to have with you outdoors and indoors. This headphone has over 20 hours of playtime and only takes 2 hours to charge fully. The Soundtec Nova Headphone has Bluetooth version 5.3 and a 10-meter transmission range that gives a stable and strong connection even if you are away from your phone. All of these features make the Porodo Soundtec Nova Wireless Headphone the best addition to have in the gym and outdoors.