Comparison Xiaomi Redmi AirDots 2 vs Xiaomi Redmi AirDots

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	Xiaomi Redmi AirDots 2	Xiaomi Redmi AirDots
	$16.77 Compare prices 1	from $8.82 Outdated Product
all specs only differences
User reviews	₁₆ ₇ ₁₇ ₂₇	₁₇ ₅ ₃₂ ₃₂
TOP sellers	Amazon.com $17.00 Buy in shop	Find prices on Amazon.com Find prices on eBay.com
Main	Water protection. Noise canceling on the microphone. It differs from the model Redmi Airdots by supporting the XiaoAI voice assistant.	Physical buttons to call the voice assistant. Bluetooth 5.0 provides a reliable stable connection with a smartphone. Can be used individually as a headset. Waterproof IPX4. It differs from the model Mi Airdots by the lack of touch controls. There is also no volume control. The capacity of the charging case is smaller than that of Mi Airdots, and the dimensions of the case and the earbuds themselves are slightly larger.
Connection and design
Design	in-ear	in-ear
Connection type	wireless	wireless
Connection	Bluetooth v 5.0	Bluetooth v 5.0
Range	10 m	10 m
Specs
Impedance	32 Ohm	32 Ohm
Frequency range	20 – 20000 Hz	20 – 20000 Hz
Sensitivity	104 dB	104 dB
Speaker size	7.2 mm	7.2 mm
Emitter type	dynamic	dynamic
Microphone specs
Microphone	built into the case	built into the case
Microphone noise canceling	ENC	ENC
Power supply
Power source	battery	battery
Headphone battery capacity	43 mAh	40 mAh
Case battery capacity	300 mAh
Charging time	2 h	2 h
Operating time (music)	4 h	4 h
Operating time (with case)	12 h
Charging port	microUSB	microUSB
General
Waterproof	IPX4	IPX4
Weight	4 g	4 g
In box	silicone tips charging case	silicone tips charging case
Added to E-Catalog	august 2020	march 2019

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Headphone battery capacity

The capacity of the battery installed in the headphones of the corresponding design (see "Power").

Theoretically, a higher capacity allows to achieve greater battery life, but in fact, the operating time also depends on the power consumption of the headphones — and it can be very different, depending on the characteristics and design features. So this parameter is secondary, and when choosing it is worth paying attention not so much to the battery capacity, but to the directly claimed operating time (see below).

Case battery capacity

The capacity of the battery installed in the case (case) for headphones.

This parameter is relevant only for true wireless models (see "Cable type"). Recall that these headphones are charged from a case, which is usually equipped with its own battery and actually works in standalone power bank mode. Knowing the capacity of the battery in the case and in the headphones, you can estimate how many charges of the “ears” will last for one charge of the case. However, it should be taken into account that in the process of charging the headphones, part of the energy is inevitably spent on third-party losses, and the effective capacity of the case turns out to be somewhere 1.6 times less than the claimed one. This is the starting point for calculations: for example, a 300 mAh case will actually be able to transfer 300 / 1.6 = 187 mAh of energy to the headphones, and 30 mAh “ears” from such a battery can be fully charged about 6 times (187 / 30 ≈ 6).

Operating time (with case)

The maximum operating time of TWS headphones, taking into account recharging with a native case. But this time is not continuous use, it takes into account breaks for "refueling". Anyway, this parameter allows you to understand for how long you can leave the network (for example, how many nights to spend in a tent to the accompaniment of your favorite artist).