YESIDO headphones wireless Bluetooth headphones active noise reduction listening to songs stereo ultra-long battery life foldable headphones suitable for Apple Huawei Xiaomi OPPO folding charging - noise reduction call listening to songs - ultra-long battery life (EP02)Subject Model number Head-mounted Bluetooth headphones Category Stereo Brand Other Specification Standby time 400 hours Product net weight (g) 223 Product size (mm) 220*190*89 Charging time 2-3 hours Call time 8 hours .