Brand: WK (Sub-brand of Remax )
Type: Double Ear Wireless bluetooth Earphone with Charging & Storage Box BD800
Mini storage & charging box: Combine with the headset, easy to carry. Built-in charging contacts, place the headset to charge.
Increase 12 hours battery life of headset: Built-in high-capacity battery, headset can be fully charged 5 times, meet needs of traveling and playing outside.
Bluetooth: V4.2Micro USB charging interfaceFrequency Range: 2.402~2.480GHzAmbient Noise: <= 90bdBTransmission Distance: 10MBattery: 50mAh/3.7VInput: DC5V-40MATalking Time: Around 4.5 hoursMusic Time: Around 3.5 hoursStandby Time: Around 100 hoursCharging Time: About 2 hoursDimension: 26 x 16.5 x 26.5mm