Product parameters: Product Numbers:VJ320 Playing time:12 hours Switching method:BluetoothwirelessTF card Transmission distance:about 10m Bluetooth version:Bluetooth 5.0 Bluetooth call:standby Standby time:about 200 hours Battery capacity:400mah feature: Bluetooth 5.0 chip wireless earphone,with ANC foldable,support BluetoothTF CardRadio 3 mode earphone Over Ear soft memory protein ear cushions,comfortable to wear,can provide 10H playback time for Bluetooth wireless,Hi-Fi sound and fascinating bass dual 40mm drivers provide you with deep and accurate bass response,making the sound clear,powerful and kept in isolation Design helps you enjoy music better Wired mode:You can also use the included audio cable as a wired headset,so the headset will never turn off Packing list:earphone*1 audio cable*1 Wish you a happy shopping --------------------- Please note: The Bluetooth headset is not suitable for swimming, bathing, getting wet on rainy/snow days, soaking in water, etc. It can only prevent a small amount of sweat and water