Brand – Havit, Model – Havit TW901, Type – Earbuds, Connectivity – Bluetooth, Frequency Response – 100Hz-10kHz, Impedance (ohm) – 16ohm +-15% 1kHz, Microphone – Yes, Working/Bluetooth Range – 10 Meter, Bluetooth Version – Bluetooth 5.0, Sound Mode – Stereo, Waterproof – Yes, Dustproof – No, Shockproof – No, Driver Unit – 6mm, Battery – 45mAh x 2 (Earbud), 400mAh (Charging case), Rechargeable Battery – Yes, Charging Time – 1.5 Hours (Earbud), 2 Hours (Charging case), Playing Time – Up to 4 Hours, Weight (gm) – 4.5gm (Earbuds), 46gm (Charging case), Color – Black, Feature – True Wireless Sports Earphone, 400mAh Portable Charging Case, Intelligent multi-function button, 6mm moving coil unit, High defination sound quality, Ultra Lightweight, Portable & Small Charging Case, Others – Speaker: 6mm x 2, Input Voltage / Current: DC 5V/1A, Playtime: 4 Hours, Talktime: 4-5 Hours, Charging Time: 2 Hours (Charging Case), Dimension: 60 x 40 x 29mm (Charging case), 2 x 30 x 16 x 13mm (Earbud), Weight: 46gm (Charging case), 2 x 4.5gm (Earbud), Warranty – 1 Year, Country of Origin – China, Made in/ Assemble – China