COSPOR Bluetooth Headphones, Wireless Stereo Sports Earphones Sweatproof Earphones with Mic

Perfect for sports,running,Jogging,exercise.Sport Headsets. A Better Sync Reaching new levels of energy efficiency so you can enjoy music and calls for longer,these wireless headphones feature the latest Bluetooth 4.1 that offer a more stable and faster connection between devices. Compatible with all iOS and Android Smartphones,tablets,Windows devices and more. Specification Bluetooth specification:CSR4.1 Frequency range:2400.0-2483.5MHz Analog Bluetooth:Headset,Handsfree,A2DP and AVRCP Transmission distance:10 meters Talk Time:up to 10 hours Charging time:about 3 hours Music play time:7-8 hours Standby time:120 hours Weight:18g Battery capacity:110mA