Product details of BQ30 TWS Wireless Bluetooth 5.3 Earbuds, Handsfree Calling Sport Stereo In Ear Headphones, Noise Cancelling Bluetooth Earphones, 9D HIFI Headset With Charging Case

Bluetooth version:5.3
Speaker size:10mm moving coil unit
Frequency response:20Hz~20kHz
Sensitivity:105dB
lmpedance:32Ω
Transmission distance:>10M
Headphone battery type:lithium ion polymer battery(50mah/3.7V)
Headphone charging time:within 1 hours
Charging compartment battery type:lithium ion polymer battery(2000mah/3.7V)
Charging time of charging compartment:within 2 hours
Play&Call time:About 5 hours
Products include
1 * One pair of Bluetooth headsets
1 * Charging box
1 * Charging cable
1 * User Manual
4 * Ear cap