Description Devia Joy A4 series TWS wireless earphone Seamless switch, perfect support for bilateral calls, seamless switch of the left and right ears Touch operation, easy to use, play pause up and down, easy to use Small size and large capacity, low power consumption 5.0 Bluetooth chip 40mAh for headphone, 300mAh for charging bin Pure sound, High fidelity speaker, with perfect sound quality, low and medium frequency full of natural sounds. Key Specifications/Special Features: Product Description Product Name Devia Joy A4 series TWS wireless earphone Connection way BT5.0 Material ABS+PU Speaker diameter φ40mm Playing time 3-5H (Normal use) Charge time About 1.5 hour Standby time About 40h Battery capacity 40mAh*2 earphone, 300mah charging box Color White Certificate CE,ROHS QC 100% tested by QC before shipment
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