Dunns-Tech Bluetooth Wireless Stereo Headset, Retractable Neckband Headphones Earbuds with Call Vibrate Alert & Voice Prompts, Noise Cancelling Built-in Mic (Black)

Dunns Retractable neckband headphones Excellent HD sound & Outstanding appearance design ? Dunns headphones uses state-of-art CSR chipset, which equipped with the advanced bluetooth 4.1, Aptx Technology + CVC6.0 Noise cancellation, guaranteeing stable and crystal clear calls ? High-fidelity natural Stereo Sound. High clarity is expected, together with great music listening experience, suitable for all activities. IPX3 sweatproof ? IPX3 sweatproof and splash resistant, sets free from worry of sweat damage while running, jogging, yoga in gym or biking running in drizzle raining days. Stable & Long bluetooth range ? Bluetooth range up to around 10m in unobstructed environment. This range provides optimal wireless link with stable connection VOICE & VIBRATION PROMPT FOR: ? Power on/off, incoming call, successful bluetooth connected, battery low alert. HOW TO CONNECT TWO BLUETOOTH DEVICES SIMULTANEOUSLY: 1. Connect with the first bluetooth device ,then disconnect it. 2. connect with the second device. 3.At last, reconnect with the first one, and you will have them connected simultaneously. PACKAGE INCLUEDS: ? 1x headphones ? 1x USB Charging Cable ? 2 pairs extra Ear Tips ? 1x User Manual ? 1x Carry protection case NB: For language change, disable all Bluetooths on your master devices. Power on the headset, long press on the Play/Pause button until language change is announced. Repeat for Korean, English or Chinese.