Children Mini Bluetooth-compatible Speaker Wireless Portable Bluetooth V3.0 Speaker With Tf Card

Description: Name: Bluetooth-compatible Speaker 1. Bluetooth-compatible Version: V3.0 2. Working: up to 10 m (about 33 feet) 3. Working Time: 3-4 hours 4. Charging: 1.5-2 hours 5. Battery Charging Voltage: $ number V ± 5 V 6. Battery Capacity: 500 mAh 7. Loudspeaker Output: 3 W 8.Power Input: DC 5 V 9. Frequency: 60Hz-18KHz 10. S / N: ≥ 96db Packing list: Bluetooth-compatible Speaker x 1 Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.  Manual measuring,please allow 1-3mm error,thank you.