Item Type: Outdoor Sports Bluetooth SpeakerMaterial: ABSOutput Power: 2 x 3WSpeaker Model: 57mmFrequency Response: 100Hz-18kHzSignal to Noise Ratio:> 80dBBluetooth Standard: 5.0+EDRBluetooth Solution: JerryWorking Distance: About 10 MetersSolar Power: 0.6WInput Voltage: 5VBuilt-In Battery Polymer Lithium Battery: 1200mAhPackage List1 x Speaker1 x Shoulder Strap 1 x Charging Cable1 x Audio Cable 1This Bluetooth speaker has a radio function, a solar panel to charge itself and a flashlight for mountain climbing. 2Support 2 wireless connections of the same device, dual speakers can enrich your listening experience. 3It adopts advanced Bluetooth solution with a working distance of ten meters to provide users with fast and stable transmission speed. 4HighQuality material makes the shell of this speaker wearresistant and dropresistant, and it is equipped with a shoulder strap. 5Exquisite workmanship integrates multiple functions into such a small device, and ensures that it can run smoothly.