Comparison Poly Explorer 50 vs Poly M70

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	Poly Explorer 50	Poly M70
	from $49.99 Outdated Product	from $161.98 Outdated Product
all specs only differences
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Device	bluetooth headset	bluetooth headset
Design	earbuds	earbuds
Behind ear
Connection	Bluetooth v 3.0	Bluetooth v 3.0
Range	10 m	10 m
Specs
Features	Multipoint noise cancellation volume control voice dialing A2DP profile	Multipoint /simultaneously with two devices/ noise cancellation volume control voice dialing A2DP profile
General
Power source	battery	battery
Battery life	11 h	11 h
USB charging port		microUSB
Weight	10 g	8 g
Color
Added to E-Catalog	july 2015	july 2014

USB charging port

The type of connector used to charge the built-in battery of Bluetooth headsets, more precisely, to connect an external charger. The role of such a device can be played by a network or car adapter, a power bank, or even a USB port on a PC or laptop (if you have the appropriate cable).

— microUSB. A smaller version of the USB connector designed for portable devices. It appeared quite a long time ago, but it does not lose popularity nowadays, despite the active implementation of the USB-C port.

— USB-C. A miniature USB connector, positioned, among other things, as a potential successor to microUSB. Unlike its predecessor, it has a double-sided design, thanks to which the plug can be inserted into the socket in either direction. It is still relatively rare, but the situation is likely to change in the coming years.