Description:The Bluetooth-compatible headset is ultra-lightweight and comfortable to wear. The continuous talk time can reach 12 hours, the standby time can reach 250 hours, and the charging can be completed in only 2 hours.It is easy to pair this Bluetooth-compatible headset that has a rotatable microphone, and headset has noise reduction, making calls, listening to music, and controlling the volume functions.It is made of plastic and metal materials, which is lightweight and durable.The length of the product is 15cm, the width is 14cm, the height is 14.7cm.It is compatible with various Bluetooth-compatible devices, fully compatible with mobile phones/computers, tablets, compatible for WP/for Android, for iPhone systems, and realizes easy wireless connection.Item Name: Bluetooth-compatible HeadsetMaterial: Plastic, MetalModel: BH520Working Time: 12 HoursStandby Time: 250 HoursCharging Port: MicroUSBTransmission Distance: 10MFrequency Range: 2.4GHz-2.480GHzBattery Specification: 3.7V, 180mAh (Included)Charging Power Supply: DC 5V, 100-240VAC AdapterBluetooth-compatible Version: CSR8615-V4.0 Class 2Support Protocol: HFPV1.6, HSPV1.2, A2DPV1.2, AVRCPV1.4Size Details: 15cm x 14cm x 14.7cm/5.91" x 5.51" x 5.79" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension differences due to different manual measurements.Package Includes:1 x Bluetooth-compatible Headset1 x User Manual 1 x Charging Cable