*Chipset：JL6973D8

*Bluetooth Version：5.3

*Talk/Music time：8 hours

*Earphone battery：60mAh

*Charging case battery：500mAh   

*Charging time of earbuds：1 hour

*Speaker:  16Ω  Ø 16mm                           
*NC：≤-28db

*Charging plug type：Type-C

*Color：Black / White / customized color

*Bluetooth Version: 5.3

*Talk/Music time: 5 hours

*Earphone battery: 3.7V, 40mAh 

*Charging box battery: 500mAh

*Standby time: up to 100 hours

*Operating range: 10m

*Charging time: about 1 hours

*Charging time: 1.2 hours

*Audio Decoding Protocol: SBC

*Speaker: 32Ω  Ø 11mm 

*Frequency Response: 20-20KHz

*Charging plug type: Type-C

*Color: Black /  White                       

* Chipset: JL6936D4
* Bluetooth Version 5.0
* Talk/Music time: 4 hours
* Earbuds battery: 3.7V 45mAh
* Charging case battery: 1200mAh
* Standby time: more than 100 hours
* Operating range: 10-15 meters
* Earbuds charging time: about 1.2 hour
* Case charging time: 2.2 hours
* Audio decoding protocol: SBC
* Speaker Impedance: 16Ω Ø6mm 
* Frequency Response: 20-20KHz
* Charging plug: Type-C
* Color: Black/Silver/White/Customized color