Sport Bluetooth Headphones,Remax V4.1 Wireless Neckband Noise Cancelling Earphone Magnetic Earbuds Sweatproof Headset HD Stereo in-Ear Earphones 7-9 Hrs Playtime for Running Gym Workout w/Mic (White)

Specification: Band: REMAX Model: RB-S6 Bluetooth: V4.1 Profile Support: HSP/HFP/A2DP/AVRCP/CVC Frequency Response:2.402-2.480kHz Operating distance: up to 10m (free space) Talk/Music time: up to 7-9 hrs Standby time: 320 hrs; Charger time: 2 hrs Power: 5mW Speaker diameter? 10mm Battery:160mAh Voltage? 3.7V What you get? 1 x RB-S6 bluetooth earphone 1 x Micro USB cable 1 x Instructions Feature: *Smart one drag two :to avoid missed calls *Long standby: powerful power supply *High-definition call : with a call to remind vibration *Intelligent voice: switch electromechanical display and so on *With magnetic suction design: combined with natural beauty even if the movement will not easily fall off the headset and knot trouble *To improve the traditional form of wearing a Bluetooth headset so that S6 more ergonomic comfortable to wear at the same time, in the use of the situation also do simple wear. *Sound structure of the careful debugging : filter out the human ear tired of the noise and to be amended ,High low frequency distribution of the transition between the uniform frequency of natural smooth, sense of comfortable