Material: ABS

BT Main Controlled IC: JL6973

BT Version: 5.3 

Loudspeaker units: Φ11mm±0.1mm

Impedance: 32Ω±15% 

Frequency Response: 20-20KHz 

Polymer battery capacity of earbuds: 30mAh*2   

Lithium battery capacity of charge case: mAh

Input: Type-C 5.0V--1A

Sensitivity of MIC: -42dB±3dB, Silicon-Microphone

Music playback time: 5-6Hours(under 70% volume status)   

Phone call time: 5Hours

Charge time: ≤1.5 Hours

Standby time: 90 Days