Shenzhen Echana Technology Development Co;Ltd -

Shenzhen Echana Technology Development Co;Ltd

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mini wireless bluetooth music in-ear earphone headphone
Specification: Bluetooth 4.1
Detail: 1. drive: 15mm, impedance: 32 OHM 2. Bluetooth version: Bluetooth v4.1+EDR 3. Bluetooth frequency band: 2.4GHz 4. power level: CLASS II, output power: 30mW 5. Bluetooth distance: obstacle free 10 meters 6. frequency respo...


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