Crush Air 50TWS597B True Wireless Earphones - Black

CRUSH AIR True Wireless Earphones
Features:
Hands-free Mic
Touch control
Easy pairing
Google Assistant & Siri enabled
Specifications:
Bluetooth version: 5.3
Distance: 32.8ft
Frequency response: 20Hz-20KHz
Earphones battery: 30mah
Charging case battery: 200mah
Working time: earphones  4-5 hours
Case charges earphones about 2 times
Charging time: earphones 1 hour,  case 1.5 hours
Sensitivity: 102dB±3dB
Driver unit: 13mm
Impedance: 32Ω
Master/inner: 20/10
Box Dimension (inches): 4.33 x 6.69 x 1.37
UPC: 605832373614