COOL Ambient Wireless Headphones. Built-in touch screen. Many functions for your headphones. Bluetooth stereo headphones for listening to music and making calls thanks to Bluetooth connection. Innovative design with integrated multi-function touch screen in the charging box (power bank). The Cool Ambient Wireless Headphones are a must for all music lovers. With deep, rich bass and clear highs, you can listen to your favourite music playlist and calls like never before. With charging box (power bank) for a full run time of up to 20 hours of continuous operation. Universal Bluetooth technology V 5.4. ANC: Active noise cancellation. Screen size: 240*296 pixels Compatible with iOS and Android. Battery capacity: 300mAh (charging station) / 30mAh (headphone) Battery life: Up to 20 hours of playback in total. (4 hours without additional charge) Full charging time: 1 hour. Hi-Fi Sound Excellent for music and calls. Touch control Charging port: Type-C Range: 10m User manual: Spanish, Portuguese and English.