Specification:

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1.Model: NEW B39 Headset \n2.Color: Purple, Blue, Red, Pink, Black, White \n3.Charging Time: About 1 Hours \n4.Bluetooth Version: 5.0 \n5.Bluetooth Receiving Distance: about 10 M/393.7in \n6.Battery Capacity: 400 mA \n7.Talk Time: 10 H \n8.Standby Time: 180 H \n9.Noise Reduction: CVC 6.0 \n10.Voice Support: Support \n11.Channel: 3D Surround Sound