A4tech Bloody M30 Pure Bass True Wireless Earbuds - Black

SpecificationDetailsSpeaker Size10 mmFrequency Response20 Hz – 20 kHzEarphone Sensitivity105 dB @ -10 dBFSMicrophone Sensitivity-42 dB @ 1 kHz/PaEarphone Impedance32 ohmBluetooth Versionv5.0Operation Distance10 mEarphone BatteryLithium 40 mAhCharging Case BatteryLithium 500 mAhCharging Power5V = 500 mAEarphone Charging Time< 1.5 Hours (Low to Full)Case Charging Time< 2 Hours (Low to Full)Music Playtime (Single Charge)≈ 4 Hours (50% Volume)Playtime with Case≈ 22 Hours (50% Volume)Weight (Earphones)9 gWeight (Charging Case)32 gWarranty180 Days Warranty