Plug & Play, Rechargeable, 7500PMPO.
Bluetooth, FM, USB/Audio Input, TF Reader.
LED Light, Hands-free Call.
Wireless Auto-dyne System Speaker.
Bluetooth Version: 5.1, Bluetooth Range: 1Om Speakers Size: 45mm x2 Speakers Power:4?/3W x 2 (6W) Battery: 3.7V/1200mAh Frequency: 120Hz-20kHz Signal to Noise Ratio:> 90dB Music Playtime: 3 hours, Charging Time: 3-4 hours, Charge Voltage : 5V / 500mA, Audio Input: 3.Smm,USB Charging Cable & Aux Cable included.