avit H2587BT Wireless Headphone with Breath Havit H2587BT Wireless Headphones is a powerful and highly played set of deep bass headphones. The headphones give the quality sound your music deserves. Whether you are going for training or just setting yourself up and listening to your favourite music, the Havit H2587BT Wireless Headphones is the obvious choice. With the micro SD card input you can insert a micro SD card and leave your phone by playing music directly from the SD card. Havit H2587BT Wireless Headphones are designed with a light LED light that automatically changes colour, and provides a dynamic and visual effect. Specification? -Bluetooth: 4.2 -Area: 10 meters -Built-in microphone: Yes -Size: 190 x 175 x 80 mm. -Speaker: ?40 mm -speaker frequency: 20 Hz-20 KHz -Battery: 3.7V / 300mAh -Weight: 160 grams -Playtime: Up to 5½ hours -Talk time: Up to 6 hours -Charging time: 2 hours - Dimension: 175 x 80 x 190 mm (L x W x H) - Weight: 300g (Approx.) What's in the box 1 x Headphone