EVM EnWave Bluetooth Neckband (EVM-NB-028) (Black)

● Bluetooth Version : 5.3 ● Frequency : 20Hz - 20Hz ● Battery Capacity : 300 mAh ● Playtime : About 30 hours ● Charging time : Less than 1 hour ● Charging Connector : Type C port ● Speaker Driver Size : 10mm ● EVM Hall Switch function : Yes ● Weight : 30 grams