Mobile Phone Wireless Bluetooth Compact Mini Bone Conduction Speaker Hummingbird Speaker

Product information: Power type: USB Color: English version-Silver Single Pack [spot], English version-black single pack [spot], English version-Red single pack [spot], English version-Silver two pack, english version-Black two pack, English version-Red two pack, [you need to provide transaction screenshots and store links when placing an order]] Frequency range: 100HZ-20KHZ Product size: altitude 26 mm rice, diameter 40 mm rice, weight 35 katsu Main holding piece: TWS 5.0 support TWS true 3D