boAt Nirvana Ion ANC Pro True Wireless Earbuds vs Boult Audio K40 True Wireless Earbuds

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General

Bluetooth	Yes, 5.2	Yes, 5.3
Bluetooth Range	10 m	10 m
USB	Yes	Yes
Microphone	Yes, Quad Mic	Yes, Quad ENC mic
Voice Assistant	Yes	Yes, Ok Google/Hey Siri
Water Resistant	Yes	Yes
Monaural	Yes	Yes
Controls	Intuitive Touch Control	Touch
Music Controls	Pause/Play	Pause/Play
Call Controls	Accept/Reject calls	Accept/Reject calls
Switch between Call and Music	Yes	Yes
Additional Features	IPX4 Rated, Dual EQ Mode, Low Latency, Type-C Charging, In-Ear Detection, Dual Connectivity	IPX5 Rated, 45ms Ultra-Low Latency Gaming Mode, Type-C Charging, LED Indicator

Deep Bass	Yes	Yes
Frequency Response	20 Hz (Min) - 20 kHz (Max)	20 Hz (Min) - 20 kHz (Max)
Driver Unit		13 mm
Driver Type	Dynamic	BoomX Tech Driver
Active Noise Cancellation	Yes, 32dB-ANC
Environmental Noise Cancellation		Yes
Other Features	Crystal Bionic Sound & boAt Signature Sound

Sales Package

1 Unit Pair of Earbuds, 1 Unit Case, 1 Unit Type-C Cable, 1 Unit User Manual, 1 Unit Warranty Card, 1 Unit Catalogue, 1 Unit FAQ Card

1 Pair of Earbuds, Charging Case, Charging Cable, Warranty Card, Additional Pair of Ear Tips

Battery	Lithium Ion
Battery Life	120 hours with Case (ANC Off)	48 hours (With Case) 7 hours (Earbuds)
Charging Time		1.5 hours (Case)
Stand-by Time		120 hours

Warranty	1 year, From the Date of Purchase	1 year, Warranty from the Date of Purchase
Warranty Type	Manufacturer	Manufacturer
Covered in Warranty	Manufacturing Defect	Manufacturing Defects
Not Covered in Warranty	Physical Damage	Physical Damages