Hear Plantronics M50 Wireless and Hands all-music, calls and more. Plantronics M50 Bluetooth headset streams audio form your Smartphone and makes every call worry free with extended battery life, whispered alerts and noise reduction features. Monitor the battery life automatically on your iPhone. Rechargeable non-replaceable lithium ion polymer. Bluetooth has a working “range” of up to 33 feet between the phone and headset before audio degrades and the connection is lost. Hear it all music, calls, and more with the Plantronics M50 Bluetooth headset, which streams audio from your smartphone and makes every call worry-free. It features an extended battery life, whispered talk time alerts, and noise reduction features. You can even monitor the battery life automatically on an iPhone so you’ll always have time to talk. The affordable M50 headset is also one of the only devices at this price to deliver Bluetooth audio streaming capabilities (via the A2DP profile) for listening to music, po