Trouble Shooting Unable to boot -Check the battery for electricity，When charging, the red indicatorlights up and the full red light goes out. The harps are not sensitive- The sensitivity of the touch is affected by the current magnetic field under charge. The bluetooth playback not fluent- Whether it is beyond the effective transmission range. Or between the stereo and the equipment. Bluetooth playback is small or distorted- The battery is too low. Please charge it promptly Bluetooth cannot connect- Check if the stereo is in search or restart.There are too many bluetooth devices in the vicinity,causing a search problem and closing other bluetooth devices to disconnect from the audio connection. product description * Bluetooth connection; * With USB card slot; * Auxiliary function. Connect directly to the phone. * Built-in rechargeable battery. * DC mini USB charging. * High quality gift box package Features: * Bluetooth version: V 3 + EDR. * Transmission distance: 10. * Support music format: MP3 * Power: 1watts * 1.27mm diameter. * Battery capacity: 380mAH * Time: 50-90 minutes to talk about music, 2-4 hours. * Charging: DC 5V (Micro USB). * Output: 150hz-20khz. * Signal to noise ratio: 70dB. * Distortion rate: 0.5%.
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