Key Feature Comparison
At a Glance
Show differences only
20000 Hz
20 Hz
48 Hours
300 mAh
45 Hours
Wireless
In Ear Canalphone, In the Ear
Wireless
In Ear Canalphone, In the Ear
10 meter
Auto Pairing
10 meter
Auto Pairing
Detailed Specs
Brand
Boult Audio
Boat
Model
K40
Airdopes 91
Launch Date
23-Feb-24
28-Jan-24
Price
Rs. 899
Rs. 1,199
Price Status
Confirmed
Confirmed
Market Status
Available
Available
Box Contents
Earbud, Charging Case, USB Cable Type C, User Manual, Warranty Card
Earbud, Charging Case, USB Cable Type C, User Manual, Warranty Card
Warranty
1 Year
1 Year
Compatible Devices
-
Mobile Phone, PC, Tablet
Type
Wireless
Wireless
Design
In Ear Canalphone
In Ear Canalphone
Fit
In the Ear
In the Ear
Open or Closed Back
Closed Back
Closed Back
Water Resistant
-
Yes, IPX4 rating
Eartip Size
Large, Medium, Small
Large, Medium, Small
Weight
36 gm
-
Dimensions
Overall :45 x 24 x 62 mm
-
Colours
Berry Red, Denim Blue, Electric Black, Ivory White, Khaki Green
Active Black, Starry Blue, Mist Grey
Noise Cancellation
Yes
-
Replaceable Earbuds
Yes
Yes
Call Control
Answer / End
Answer / End
Music Control
Volume Control
Volume Control
Connectivity
Bluetooth
Bluetooth
Bluetooth Version
5.3
5.3
Bluetooth Range
10 meter
10 meter
Bluetooth Features
Auto Pairing
Auto Pairing
Microphone
Yes
Yes
Bluetooth Profile
-
A2DP, AVRCP, HFP, HSP
Playback Time
48 Hours
45 Hours
Charging Type
USB Type-C
USB Type-C
Charging Time
100 Minute
2 Hours
Battery Type
Li-ion
Li-ion
Battery Capacity
-
300 mAh
Max Frequency Response
-
20000 Hz
Min Frequency Response
-
20 Hz
Magnet Material
-
Neodymium
Driver Type
-
Dynamic Driver
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