M21 Wireless Bluetooth Earphone Transparent Case Bluetooth Headset Listening Music

Label:Yes Style: Creative Design Is it single or dual ear: bilateral stereo sound Packing: 1pc Wireless Bluetooth Earphone Bluetooth protocol: 5.2 Transmission range: 10m Colors: black,purple,white,blue Material: PC+ABS Battery life: 4-5 hours

Note: Please allow 1-3cm(0.39-1.18in) difference due to manual measurement. Due to light and screen difference, the item's color may be slightly different from the pictures.