Outdoor running sports riding portable mini card small audio $ 28.13 Bluetooth specification: Bluetooth 5.0 Frequency range: 2.4G Receiving distance: >>10m Speaker size: 040mm Signal to noise ratio: >80dB File format: WAV, WMA, MP3 Battery capacity: 3.7V 1200mAh Suggested charging method: Micro USB (DC5V-500mA) Charging time: about 3h Play time: 5-8h Product weight: about 200g Product size: 90mm X 37.5mm Product List Certificate of conformity 1 Anti-slip mat2 2-in-1 line1 Metal hanging buckle1 user's Guide Manual 1 A6 host 1 Bicycle stand*1.
