Bestsin M10 Wireless bluetooth 4.1 headphones Stereo Headset Sport In Ear Earphone Microphone Running For Iphone XS Iphone XR Iphone XSMAX

Item specifics Compatible: Universal Communication: Wireless Style: In-Ear Type: Bluetooth Headset Frequency range: 2.4GHz-2.48GHz Talk/music playtime: 2~3 hours Charging time: 1~2 hours Standby time: up to 175 hrs Frequency response: 20Hz-20kHz Operating distance: up to 10m (free space) Item name: QY7 bluetooth headset Shipping: Via DHL, Fedex, TNT, EMS, UPS or HK Post Product Size: 40*24*32mm Bluetooth version: V4.1