More Details:















 Features:
 Built-in NFC function. Just use your phone to touch the speaker and then connect to Bluetooth.
 Built-in microphone, hands-free call. it is convenient.
 Can connect to devices at the same time. Free to switch between two phones.
 There is a AUX line-in port, it still can connect to device when there is no Bluetooth function.

 Specifications:

 
  
   
    General Specification
  
  
   
      Brand Name
   
     ROCK
  
  
   
      Color
   
     Fluorescent green, Pink, Blue, Grey
  
  
   
      Product Weight (kg)
   
     320g
  
  
   
      Dimensions (cm\/ inch)
   
     182mm*60mm*32mm
  
  
   
    Technical Parameters
  
  
   
      Connectivity
   
     Bluetooth
  
  
   
      Output Power
   
     10W max.
  
  
   
     Mic Specification
   
     4015  -42±3dB
  
  
   
      Driver Unit
   
     Φ40mm 4Ω 4W*2
  
  
   
      Bluetooth Frequency
   
     2400.0-2483.5MHz
  
  
   
     Bluetooth Central  Frequency
   
     2441.000MHz
  
  
   
      Sensitivity
   
     75±3dB average at 600,800, 1000, 1200Hz
  
  
   
     Battery Capacity
   
     3.7V 1500mAh
  
  
   
     Standby Time
   
     <24h
  
  
   
     Talk Time
   
     3-4h
  
  
   
     Charging Time
   
     <2h
  
  
   
      Bluetooth Version
   
     4.0
  
  
   
     Bluetooth Chip
   
     CSR8635
  
  
   
     Transmission Range 
   
     <10m
  
 


 Package  Included:

 
  
   
    
   
     1 X ROCK Bluetooth Speaker
  
  
   
     1 X Charging Cable
  
  
   
     1  AUX Audio Cable
  
  
   
     1 X Storage Bag
  
  
   
     1 X English Manual