K33 K55 TWS EARPHONE LOW LATENCY NOISE BLUETOOTH 5.0 IN PAKISTAN

version:5.0 Speaker size:6mm moving coil unit Frequency response:20Hz~20kHz Sensitivity:105dB lmpedance:16ohm MIC sensitivity:-38dB Headphone type:lithium ion polymer battery(40mah/3.7V) Headphone charging time:within 2 hours Charging compartment type:lithium ion polymer battery(250mah/3.7V) Charging time of charging compartment:within 2 hours music playing time:4h Standby time:100h Dear customer, bluetooth products will be strictly inspected before shipment, products may run out of power during transportation. Please charge it for half an hour after receiving the product before connecting it to the phone.If you encounter problems during use, please contact our customer service, which can solve your problem perfectly.