Collar still i6 mini-split subwoofer 

 Product Features 
 * Bluetooth wireless play music, Bluetooth call functions, split subwoofer design. 
 * Leading acoustic design, pure natural real sound, strong bass performance. 
 * The appearance of extreme technology, innovative seamless integration of subwoofer design. 
 The split design of the speaker and subwoofer, subwoofer speakers charge. 
 * The subwoofer can be matched to the F5, the i3 collar still other models for enhanced bass. 
 * Distribution 1000mAh large capacity BL-5C lithium batteries, ideal for outdoor use for a long time, can replace the lithium battery design. 

 Product features 
 * Bluetooth music player, agile, outstanding bass. 
 * Automatic playback TF card MP3, WMA audio format, radio functions. 
 * External audio input can be connected to a smart phone, Tablet PC, machine learning, game consoles and other digital products. 
 * High-fidelity headphone output. 
 * Breakpoint memory play function. 
 * Removable storage and card reader, can be replaced repeatedly rechargeable lithium battery. 
 * Smart charging protection, computer USB, DC 5V to a variety of power supply mode. 

 Specifications 
 Output power: RMS 4W +2 W * 2 
 Speaker Specifications: 4Ω1.5 inch * 2 + 8Ω3 ??in. * 1 
 Frequency Range: 50Hz ~ 20KHz 
 Signal to Noise Ratio: ≥ 85dB 
 Sensitivity: 86dB 
 Distortion: ≤ 2% 
 Radio Frequency: 87.0MHz ~ 108.0MHz 

 Packing list 
 Main speaker 1 
 Manual 1 
 Nylon 1 
 Lanyard 1 
 Audio signal line of a 
 A USB cable 
 Lithium battery (gift) a 1000mAh