800/900MHz(PLL)RF technology
USB port can play MP3 music directly
Operating Distance up to 200 feet
Rubber cushion around the 18cm body
3 underwater Blinking Blue LED mood light
IPX-7 Waterproof Rating to protect against water immersion
for 30 minutes at the depth of 1 meter
Rechargeable Li-ion Batteries for Speaker(included)
3.5mm audio jack compatible with various audio carrier

 

Technical Specifications of Waterproof MP3 Player:
Modulation : FM
Carrier frequency : 800/900MHz
Operating range in : > 60m(800/900Mhz);
open area
Frequency response : 20Hz-20kHz
THD at 1kHz: less than 1%
Signal to Noise : Typical 60dB
Transmitter Base: 325g(without battery)
Receiver : 940g
Receiver charging time : around 3hours(fast charging)
Operating Time: 2-4 hours
Operation Voltage : Transmitter, 6xAAA batteries(excluded)/DC 12V adapter(included) Speaker, 1200mAH Li-ion battery (rechargeable, included)