ZVUČNIK BlueTooth TG538 Karaoke 3601 ZVUČNIK BlueTooth TG538 Karaoke 3601, podržano TF Card / FM / 3.5mm AUX / USB Disk / Hands-free Call Product specifications: 1. Bluetooth specification: V5.0 2. Wireless transmission range: 10M 3. Battery capacity: 2400mAh 4. Built-in voltage: 3.7V 5. Playing time: about 3H 6. Horn specifications: 66mm*2 7. Speaker power: 5W*2 8. Charging input: 5V/1000ma 9. Single machine size: L305*W101*H143mm 10. Single weight: about 930g Packing list: - Bluetooth speaker x1 - Microphone x1 - Charging cable x1 - Audio cable x1 - Chinese and English instruction x1