bluetooth mobile wireless headset with embedded battery magnet

sweatproof. bluetooth headset with wireless mobile headset features stereo headset with microphone:.embedded magnet: when you don't use it, you can use two headphones together. embedded 90 mach batteries provide about 4 hours of continuous music time, 5 hours of conversation time and 200 hours of single load waiting time. bluetooth technology 4.1 provides a multi-second stable paring with you. open ooth soft rubber headphones, your ears will not easily feel pain specifications: color: black, bl