Foldable Bluetooth Headset, Beartwo Lightweight Retractable Bluetooth Headphones for Sports&Exercise, Noise Cancelling Stereo Neckband Wireless Headset (with Carry case)

How to switch the language?--Press and hold the MFB and volume"+" simultaneously for 2 seconds.How to change the volume or skip songs?--During the call or playing, long press volume"+" or "-" to change the volume level;during the playing, single press the volume"+" or "-" to skip songs.How to activate siri?--Open siri interface, then double click the vol"+".why does the headset model never show on the phone?-- Please try to restore to the factory settings to repair. (Long press the MFB while charging until the blue light flashes 3 times.)How to pair the headset with 2 mobile phones.After successfully paired with a mobile phone, close the bluetooth function of the mobile phone, and switch the button to OFF;Same procedure to get the second mobile phone paired with Beartwo bluetooth headset;Turn on the bluetooth function of the first mobile phone; connect to finish the pairing status with the second mobile phone. Weight: 67g/2.36oz Working Distance: about 33feet Transmitting Power: class 2 Support: HSP HFP A2DP AVRCP Talk Time: 16 hours max Music Time: 16 hours max Charging Time: about 3.5 hours Standby Time: more than 300 hours Premium soft silicone gel surface is sweat-proof for stable wearing. Ideal for Gym, running, hiking and other outdoor activities.Whats in the Box: