K55 TWS Earphone Low Latency Noise Bluetooth 5.0 Reduction Deep Bass HIFI Stereo Music Gaming Headset Lighting Effect Fashion Wireless Earbuds

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.