Features

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General
Sales Package PORTABLE SPEKAR  1 x Bluetooth Speaker , 1 x User Manual, 1 x Shoulder StrView More... 1 Speaker, User Manual  Bluetooth Speaker, Charging cable, Aux Cable, User Manual View More...
Model Name W4  BT99  IN-BT40BK/94/BT40BK/94  BT-90 Wireless Portable Bluetooth Speaker With USB / MICR View More...
Type Mobile/Tablet Speaker  Mobile/Tablet Speaker  Mobile/Tablet Speaker  Mobile/Tablet Speaker
Portable Yes Yes
Bluetooth Yes Yes Yes Yes
Memory Card Slot No  No  Yes Yes
Configuration Mono  Stereo  Mono  Stereo
Power Source Battery  Micro USB  5 V DC  Micro USB
Power Output (RMS) 3 W  6 W  3 W
Frequency Response 80Hz-20KHz  100-20Hz  80 - 15000 Hz  20-100 Hz
Impedance NA  4 Ohms  4  6 Ohms (Satellite)
Color Black  Black  Black  Black
Wired/Wireless Wireless  Wireless  Wireless
Wall Mountable Satellite No  No
Outdoor Usage Yes Yes
Built-in Fm Radio Yes Yes
Product Details
Configuration Mono Channel  Stereo Channel  Mono Channel  Stereo Channel
Compatible Devices Mobiles,Tablets, All Bluetooth devices  Smartphones  All Bluetooth Enabled Devices: phones, Tablets etc., Smar View More...
Battery Capacity 1500 mAh  1500 mAh
Bluetooth Range 10 m  10 m  10 m
Headphone Jack Yes Yes
Battery Rechargeable Li-Polymer, Use Time 6  Built-in Rechargeable Battery  Lithium Polymer, Use Time 5 hr
Bluetooth 2.1 with2.1  4.1  2.1 withA2DP
Charging Time 1.5 hr  1 hr
Driver Type 2 Satellites  Speaker Driver: 1 x 1.5 inch (40 mm)  2 Satellites
Connector Type Micro USB
USB Ports 1 USB Ports  1 USB Ports
Memory Card Supported No  Micro SD, TF Card
Dimensions
Width 5.2 cm  9 cm  7.2 cm  8 cm
Height 5.2 cm  9 cm  4.1 cm  9 cm
Depth 5.2 cm  23 cm  4.1 cm  20 cm
Satellite Depth 230 mm 
Warranty
Warranty Service Type Walk in Warranty  Philips Toll Free no : 1800-425-6396 , Customer Needs to View More... Service centre walk in
Warranty Summary 1 Year Walk in Warranty  1 Year Warranty  Service centre walk in
Covered in Warranty Main S  Electrical Defect  Main Speaker
Not Covered in Warranty Accesories  Physical Damage  Accesories
Domestic Warranty 1 Year  1 Year  1 Year
Other Details
Technology Used Bluetooth  A2DP Bluetooth
Power Input 220-240 V  Micro USB 5V/1A
Other Features Stereo Speaker, Soft touch Plastic shell  USB Charging, Net Weight: 140 g, Built-in Microphone for View More...
Sensitivity 95  80 dB  95 dB
Controls Mode, Play / Pause, Forward / Rewind, Volume control, AuxView More... Volume: Plus, Minus, Standby  On/Off, Previous Song/ Volume Low, Next Song/ Volume high View More...
Driver Size 4 inch Satellites  1.5 inch Satellite
Chassis Material Yes, Soft Touch Plastic Chassis  Yes, Plastic Chassis
Other System Requirements Bluetooth  Bluetooth, USB input, Aux cable for FM, Memory Card
Audio Features
Other Audio Features Aux input, USB input, FM Radio, Bluetooth Connectivity  Audio-in: 3.5 mm, Audio Playback: Compression Format MP3 
Signal to Noise Ratio 95  75 dB  85 dB
Amplifier Yes, Built in  Yes, Built in
Distortion 0.1% at 1W
Maximum Output RMS Per Satellite 3