How is the battery life of devil headphones?

An overview of the battery life of devil wireless Bluetooth headphones*: AIRY: up to 30 hours AIRY SPORTS: up to 25 hours AIRY SPORTS TWS: up to 31 hours thanks to charging case (over 7 hours of playback on one charge) AIRY TWS 2: up to 42 hours thanks to charging case (up to 9 hours of playtime on one charge) AIRY TWS PRO: over 32 hours thanks to charging case (over 7 hours of playtime on one charge) SUPREME IN: up to 16 hours SUPREME ON: up to 30 hours REAL BLUE: over 55 hours REAL BLUE NC: up to 55 hours (without ANC) REAL BLUE NC 3: up to 98 hours (without ANC) REAL BLUE PRO: over 56 hours (without ANC) REAL BLUE TWS 3: over 37 hours thanks to charging case (over 9 hours of playtime on one charge) *The overview only includes headphones currently available for sale.