Up to 6 hours of uninterrupted music playtime without LED light on, about 3 hours with LED light on. Bluetooth 4.2. Cute deer ears are removable and replaceable. Professional ergonomic design means the Seedleme Tronsmart Encore Wink Deer Ears Bluetooth headphones can easily be folded up and carried in a handbag or small carry bag. Magnetic earbuds for your convenience. Wireless transmission distance is about 10m in an open area. Micro USB charging port. What's in the box 1x Bluetooth headphones 1x Micro USB charging cable 3 Pairs of ear tips 1x User manual