Product model: F9 breathing light touch headphones Bluetooth version: V5.0 Noise reduction version: CVC8.0 Operation: Touch Headphone material: PC material Bluetooth distance: about 10m/32.81ft. Waterproof: IPX5 waterproof Connection method: single/double free to use Battery display: LED digital display Single ear capacity: 50 mAh Charging compartment capacity: 2000 mAh Auto boot: support Automatic pairing: support Life time: about 120 hours (need to be used with the charging cabin) Talk time: 150 hours or so (to be used with the charging cabin) Headphone charging about: about 25 times