Helicopter Shape Portable Outdoor Wireless Bluetooth Speaker

1. Stereo system, clear sound quality2. Bluetooth 5.0 connection technology, stable signal connection2. Compatible with most smart devices4. Built-in microphone for hands-free calling5. The lanyard is firm and reliableProduct parameters:1. Shell material: plastic2. Connection method: Bluetooth connection3. Interface type: Micro USB4. Battery capacity: 400mAh5. Frequency response range: 80Hz-20KHz6. Rated power: less than or equal to 2W7. Signal to noise ratio: greater than or equal to 50dB8. Playing time: 6 hours9. Power supply: USB, built-in lithium battery10. Charging time: 1.5 hours11. Dimensions: 72x55x68mm
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