BYZ B67 Ear Hook bluetooth 5.0 Earphone HiFi Bass Stereo Wireless Business Headphone Long Time Standby Single Headset

Features 10mm copper speaker the sound conduction is clear Net weight is 9g It s as light as a goose feather and it won t be tired after long wear Three keys operation Plus Key Minus Key Multifunction key Easy operation and full function bluetrum 5357T V5 0 bt profile transfermission range is 10m and stable 60 days long standby time 55mAh lithium batterym Charging for 60 minutes and listning music for 6 hours Specifications Speaker unit 10mmImpedance 32R±15 Frequence range 20HZ 20KHZTransmission Range ≤10mNo of channels Mono stereoCharging time 1 5 hoursPlay time around 15 hoursCalling time around 17 hoursStand by time around 200 daysBattery lithium battery 150mAHNet Weight around 9gCharging port MICRO USBPackgae List 1 Single bluetooth Earphone1 Charging Cable1 Manual