Promate Harmoni Pro High Definition TWS Earphones High Definition Intellitouch True Wireless Earphone – 30 Hours Playback Time – Intelli Touch Control – True Wireless Stereo – Crystal Clear Calls – Voice Assistant (Siri / Google / Bixby) Other Features – Ergonomic Fit Earbuds – True Wireless Compatibility – Ultra Compact – Class Leading Connectivity Specifications – Bluetooth Version 5.3 – Impedance: 32 – Charging Time : 1.5H – Playing Time: 5 H – Sensitivity: 105db + 3db – Battery Capacity: 350mAh – Input Type: Lighting – Operating Distance: 10m – Total Play Time: 30H