ANC noise reduction neckband wireless bluetooth earphones OEM ODM 2 in 1 neck-hanging TWS bluetooth Earbuds

Specification Product Name J9 TWS Material ABS Function ANC+ENC Noise Cancelling, Microphone, Waterproof BLE Version v5.3+EDR Earphone Battery 50mAh Charging Case Battery 500mAh Use time 5-6h Voltage 5V Sound Channel Stereo Color Black/White BT Range 15m Service  OEM ODM, Factory direct sale Product Description