Charging bin size: 6.7*5*.21cm
Headphone size: 4.1*1.5cm
Bluetooth version: V5.0
Wearing method: semi-in-ear
Drive unit: 10mm moving coil
Impedance: 16Ω±15%
Charging port: micro-USB
Signal to noise ratio: 96dB±3
Frequency range: 2.4GHz-2.48GHz
Transmission distance: 10 meters
Button type: touch operation
Packing: charging compartment*1 earphones*2 manual*1 charging cable*1