Bewinner L750 - Wireless Headphone

Spec: Item Type: Graffiti Bluetooth Headset Material: ABS Battery Type: Built In 400mAh Lithium Ion Battery (Included) Memory Card: Supports up to 32GB (Not Included) Bluetooth Version: Bluetooth 5.1 Transmission Distance: 10m / 32.8ft Frequency Range: 20Hz-20KHz Speaker Size: 40MM/1.6in Impedance: 32Ω How to Use: Turn on and use PackageList: 1 x Bluetooth Headset 1 x Sound Cable 1 x Charging Cable Notice: We recommend that you remove the headphones every 2 to 3 hours to allow your ears to relax for better listening enjoyment and to keep your head more comfortable