Pocket King-Portable Audiophile Set, ultra-thin full-range hifi

High-density integrated electronic system ensures sound stability: Small size, low power consumption, low distortion, high performance
The patented unique acoustic structure gives Pocket King great soundstage
High-precision secondary coaxial - an ultra-thin high-performance full-range small speaker
Driver developed independently using watch movement technology
Waterproof Level: IPX7
Anti-fall, anti-squeeze 500 times drop resistance test surface
Works under 85°C Listening time
100% Volume, 5-6 hours
60% Volume, 10 hours
30% Volume, 12+ hours
SPECIFICATION
Rated Power Output: 5Wx2
Bluetooth: 5.0
Signal-to-noise ratio: 88dB
Effective distance: 10m
Rated impedance: 4.5ohm
Charging interface: Type-C AUDIO
Frequency response (SPL): 80~18Khz, +/-2dB(1m/Tw)
Channel difference: L/R+/-0.2dB(1KHz,1w)
Channel separation: L/R<=-80dB(1 KHz,1w)
Signal-to-noise ratio: >88dB
Distortion: <0.5% BATTERY
Battery: Built-in rechargeable lithium battery ????????
Battery capacity: 2200mAh 3.85V
Battery listening time: >10 hours, 60% Volume
Charging: USB 5V/1.5A Chassis
Material: SUS304
Processing technology: Plain steel brushed
Chassis (each) : Stereo 2.0 Size and Weight
Speaker Size (each): 145mm x 68mm x 23mm
Set Size: 276mm x 186mm x 106mm
Speaker Net Weight (each) : 335g
Set Weight: 2576g Packing List of Pocket King-Portable Audiophile Set Two Speakers Two Stand Bases Two Adjustable Stands Mounting Kit Backpack Strap USB Type-C Cables User manual Set Box