Product Description Features -Support Mode: Bluetooth, AUX, TF Card (32G Maximum Support Memory), FM Radio, USB -Full-range 360-degree HD sound + deep bass -4000mAh rechargeable battery -Up to 12 hours music play time -Waterproof IPX4 Level -2-in1: Wireless Speaker + Powerbank -Mini Bluetooth speaker, stable connection and faster speed transmission, enjoy music freely -Built-in microphone, answer or hang up phone call easily, more convenient while driving, cooking, etc. -Can display bluetooth power on your IOS device and connect two phones simultaneously Specifications -Bluetooth version: V4.2 -Input mode: Bluetooth, AUX, TF Card -Speaker full range unit: 66mm 4Ω -Speaker power: RMS 8W x2 -Power output: 16W -Charging voltage: 5V/1000mAh -S/N: ≥80dB -Distortion: ≤5% -Frequency response: 100Hz-20KHz -Battery capacity: 4000mAh / 3.7V -Passive bass: 41x64mm -Working time: about 12 hours -Charging time: About 4 hours -Bluetooth transmission distance: About 10M What’s in the box 1 x Awei Y280 Bluetooth Speaker 1 x USB Charging Cable 1 x 3.5mm Audio Cable 1 x User Manual