Wireless headphones with microphone and charging case with battery status indicator. Each earbud has an LED indicator that activates when in use. As the product is made from natural materials, the colour and the printing result may vary between products.Material: PP, Wheat straw fiberWireless transmission: BT v5'0Capacity: earphones 40 mAh, charging case 300 mAhApproximate battery life: earphones 3 hours, combined 10 hoursApproximate charging time: 2 hoursFrequency response: 20-20KHzSignal-to-noise ratio: 90 dBSensitivity: 95dB+/-3dBImpedance: 32Ω, Speaker diameter: 10 mmIncludes: USB-A / USB-C cableSupply: kraft paper gift boxDimensions: 80 x 38 x 32 mm