Model: firm SSY - BT851
Specification: BT earphone
Speaker: Ø 10 mm
Sensitivity: 100±3dB
Impedance: 32 Ω
Frequency response: 20HZ-20khz
Rated power: 15mW×2
Earphone color: black
Bluetooth Version: Jerry Bluetooth V5.0
Packaging :3 - discount box + blister