*Bluetooth Version 5.0 *Chipset::Qualcom QCC3020 *Support Bluetooth A2DP APTX /AVRCP/headset/hands-free profiles *Micro USB charging port *Battery :each headset 50mah *Base battery :500mah *Talk time: 7h *Music time: 7h 70% volume *Standby time:100hours *Charge time: about 2 hours *Waterpoof IPX6 *Button control *Press to pair *Noise cancellatio:CVC 8.0 *Weigh:59g
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 Blueturn 5616 Battery inside earphone: 60mAh with protect PCB Battery inside chargingcase: 400mAh with Protect PCB Speaker: 9mm Impedance: 32ohm Frequency:20-20kHz Sensitivity: 105dB+-3dB Working time: 8-10hours Standby time: 168hours LED display in charging case Rubber paint 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
Exclusive and unique technique to develop this noise killer earphone with Microphone! No background sound or noise be received through the microphone, so the receiver side will not hear your background sound or noise. It totally only your sound be sent out to the receiver. WORLD ONLY FUNCTION FOR BLUETOOTH EARPHONE!! Act like you are located in very quiet area and no one know you where you are!! Extremely suitable for noisy environment require to calling or receiving phone calls. Tremendous function ever!!