♬HiFi STEREO SOUND♬ Thanks to the advance CSR chipset and aptx codec, the Bluetooth headphones can always deliver High-fidelity stereo sound. When you playing lossless music on your device. Duo wireless headphones will play you at the best possible bitrate sound, under Bluetooth. ♬COMFORTABLE & STAY SNUGLY♬ The Duo Bluetooth in ear headphones are ergonomically designed to stay snugly and comfortable in your ear. The package comes with 3 different size of super soft ear buds. Just choose one which most comfortable for you, and then you will no need to worry about the headset falling. ♬SWEATPROOF&MAGNETIC DESIGN♬ The sport headphones’ elegant magnetic design keeps you away from getting entangled with the wire, as you can attach the two headphones together when not using them, without fear of losing them. Furthermore, IPX5 water-resistant technology ensure your sweat will never hurt the magnetic wireless headphones. No matter running in the rain or sweating in the gym, you can enjoy 100% unrestraint sport anywhere. ♬LONG PLAYTIME and SHOT CHARGING TIME♬ Proxelle Duo wireless earphones allow up to 7 hours non-stop playing time after only about 1-2 hours charging. And even you not use it, the headphones can keep stand-by for up to 180 hours. ♬EASY AND STABLE CONNECTION♬ The latest Bluetooth V4.0 technology enable the sport headphones paring easily. Besides, the small built-in microphone and compacted control buttons make hand free phone call and music control become easier. After the first connection, the running headphones will reconnect to the last connected device directly, which make the wireless earphones more convenience to use.Color: DUO-Red Manufacturer: Proxelle Model Number: DUO Part Number: Duo Style: In-earSPECIFICATION Bluetooth: V4.0 Bluetooth Profiles: HSP, HFP, A2DP and AVR Play/Talk Time: Up to 7 Hours LED Indicator: Shows charging and pairing Voice Prompt: English voice prompt Hands Free Calling: Supported Built-in Microphone: Supported Multipoint Connection: Supported Compatibility: Compatible with most Bluetooth-enable devices, including but not limited to iPhone, iPad, iPod, Samsung Galaxy, Android Smart Phone, Bluetooth-enabled TV, Bluetooth-enabled PC or tablet, etc. Operating Distance: Up to 10 M (33ft) BOX CONTAIN: Duo Bluetooth headphones, Micro USB charging cable, Ear buds *3 Headphones storage box User manual Scroll up now and click “Add to Basket” to make Duo Bluetooth headphones a part of your life!