Bluetooth Version: 5.0 JL6973
Battery inside earphone: 60mAh without protect PCB
Speaker: 13mm
Impedance: 32ohm
Frequency:20-20kHz
Sensitivity: 105dB+-3dB
Working time: 8-10hours
Standby time: 168hours
LED display in charging case
rubber paint color
color box
Bluetooth Version: 5.0 JL6963
Battery inside earphone: 40mAh without protect PCB
Battery inside chargingcase: 300mAh with Protect PCB
Speaker: 10mm
Impedance: 32ohm
Frequency:20-20kHz
Sensitivity: 105dB+-3dB
Working time: 3-4hours
Standby time: 168hours
LED display in charging case
injection color
color box
Bluetooth Version: 5.0 JL6969
Battery inside earphone: 40mAh without protect PCB
Battery inside chargingcase: 300mAh with Protect PCB
Speaker: 10mm
Impedance: 32ohm
Frequency:20-20kHz
Sensitivity: 105dB+-3dB
Working time: 3-4hours
Standby time: 168hours
LED display in charging case
injection color
color box
Bluetooth Version: 5.0 JL6973
Battery inside earphone: 40mAh without protect PCB
Battery inside chargingcase: 200mAh with Protect PCB
Speaker: 10mm
Impedance: 32ohm
Frequency:20-20kHz
Sensitivity: 105dB+-3dB
Working time:5-6hours
Standby time: 168hours
LED display in charging case
injection color
color box
Bluetooth Version: 5.0 JL6973
Battery inside earphone: 40mAh without protect PCB
Battery inside chargingcase: 200mAh with Protect PCB
Speaker: 13mm
Impedance: 32ohm
Frequency:20-20kHz
Sensitivity: 105dB+-3dB
Working time: 5-6hours
Standby time: 168hours
LED display in charging case
injection color
color box
Bluetooth Version: 5.0 JL6973D4
Battery inside earphone: 40mAh without protect PCB
Battery inside chargingcase: 320mAh with Protect PCB
Speaker: 10mm
Impedance: 32ohm
Frequency:20-20kHz
Sensitivity: 105dB+-3dB
Working time: 6-7hours
Standby time: 168hours
Digital display in charging case
injection color: white or black
closed box
Speaker 40mm, impedance 32 Ohms, Working time is 6hours. impedance 32 Frequency response 87.5 108M (Hz).here's the previous track, next track, volume control, pause.have the TF card and FM
Bluetooth Version: 5.0 JL6973D4
Battery inside earphone: 40mAh with Protect PCB
Battery inside chargingcase: 320mAh with protect PCB
Speaker: 10mm
Impedance: 32ohm
Frequency:20-20kHz
Sensitivity: 105dB+-3dB
Working time:6-7hours
Standby time: 168hours
LED display in charging case
injection color: White or Black
Closed box packing
