If you have any question after you receive the item, please contact us first before opening dispute and leave a comment, much appreciate Parameters:
•Product model : BIMV09
•Bluetooth version: Bluetooth 5.3
•Sensitivity: 96db + 3db
•Charging interface : TYPE-C
•Frequency response range: 20HZ-20KHZ
Impedance: 32Q±15%
•Ultra long standby: 240 hours
•Charging times of charging compartment: 4' times
•Single use time: 6-8 hour
•Standby time: 240 hour
135/
•Product size: 76*57*36 mm
* IPX5 Waterproof and Dustproof
* High Capacity Battery
* HD Voice
* HiFi Sound
* LED Display
* Low Delay
Package Included:
1*Headset