Haylou S35 Anc Headphones

BT Version: 5.0 Material: Metal, Silicone, TPE Transmission Distance: 10m (Accessible) Waterproof: IPX5 Dustproof: IP6X Battery: 3.7V / 80mAh Working Time: About 8 Hours Standby Time: About 120 Hours Charging Time: About 2 Hours Horn Diameter: 10mm Speaker Sensitivity: 98dB Frequency Response Range: 20-20kHz