Super Bass Wireless Headphone Vidvie Bbh2109 Black

Bluetooth Version: V5.2 Bluetooth Protocol: HFP,HSP,A2DP,AVRCP,PBAP Driver Diameter: 40MM Impedance: 32Ω±15% Sensitivity: 108±3dB Frequency Range: 20-20Khz Bluetooth Distance: ≥10m S/N: ≥80dB Distortion: ≤5% at1Khz Working Time: 70H Charging Time: 2-3H Battery Capacity: 3.7V/400mAh 40mm Moving Coil Unit, Heavy Bass Sound. Type-c Fast Charging, 2-3H Can Be Fully Charged. Rubber Oil Surface, Skin-Friendly Texture, High-Quality PU Sponge Earmuff