Bluetooth Portable Speakers
  Bluetooth Stereo speakers
  R2B Series
R3 Series
R1B Series
  Bluetooth Mono Speaker
  R4B Series
M2B Series
Mobile Speaker
  Stereo Speakers
  R2 Series
R1 Series
  Mono Speaker
  M1A Series
M1C Series
Stereo HeadSet
  In-ear Series
  R4-Bluetooth Stereo Speaker

Cut the cord, and make your existing speaker wireless! This R4Bluetooth speaker allows wireless streaming of music from your MP3 and stereo system. The battery enables continuous play of 6 hours of music. R4 also support EQ mode, it is a perfect upgrade to your stereo system and MP3 player



  • Listening music wirelessly
  • Wireless connection for your MP3, PC/NB, and stereo systems
  • Rechargeable Li battery


Standard Bluetooth® v4.0
Support Profiles Advanced Audio Distribution Profile(A2DP )
Audio Video Remote Control Profile(AVRCP)
RF Specifications Frequency Band 2.402GHz – 2.480GHz
Spectrum FHSS(Frequency Hoping Spread Spectrum)
Modulation  GFSK,Π/4DQPSK,8DPSK
Output Power 5W
Receiving Sensitivity 82db
Power Class Class 2
Range >10M(Outdoor operating space)
Antenna chip Antenna
Buttons • Volume Up
• Volume Down
• EQ
• Play/Pause
• Power On/Off
EQ mode Rock  R&B  Jazz  Dance  Classic
Audio interface SBC for Bluetooth
3.5 mm for wired audio
USB interface  for charger
Environmental Range: Operating temperature:-10 ~ +50J
Humidity: Relative humidity 0 ~ 80%
Power Source Li battery
Charger Power Source With USB +5V source for charger Li battery.
Operating Time 6 hours (middle volume)
Led indication Blue LED1: for working status.
Blue LED2: for low battery indicate.
Red  LED: for charger status.
Certification BQB, FCC, CE.
Physical Specification: TBD.

LED Specifications:

Power On Blue led 0.5 s frequency flash 4 times
Pairing/ Standby mode Blue led 3 s flash 1 time
AV Active Mode Blue led 1 s flash 1 time
Charger Mode Red Led on is charger on, Red Led off for battery full.
Low Battery Mlode Blue Led2 will show light blue color

Certificated: CE / FCC / RoHS
Product information is subject to change without prior notification.