LINK DREAM LC-B41 Bluetooth 4.1 Headphones In-Ear Wireless

Overview:The wireless headset uses BT4.1 and the ear-hook design makes it very comfortable to wear and won't drop. It frees you up to work. 1 drag 2 to connect two mobile phones at the same time with a headset USB plug you can use both ears.Features:[BT4.1 and compatibility] BT4.1 fast transmission speed low power consumption stable data transmission strong compatibility suitable for almost all BT-enabled devices.[Long battery life] Super long standby time to 720 hours (30 days) call and music can be continuous for up to 24 hours built-in 260mAh battery optimized through multiple circuits and effectively save battery energy.[Free your hands] This single-ear headset can free your hands whether you are driving or working you can easily operate. When you have two mobile phones you can support multicasting of two devices at the same time.[Voice prompt] Use the prompt tone to remind the headset of the latest status such as power on / off low battery etc. Supports display of some mobile phone batteries. Support voice reporting of incoming phone numbers.[Ergonomic design] Long-term wearing will not cause pain skin-friendly materials ear bones that are ergonomically designed can be worn comfortably and durable. Headphones with a USB plug for binaural use.Specifications:Product Type: Wireless BT HeadsetBT Version: 4.1With Microphone: YesSupport Profiles: A2DP/AVRCP/HFP/HSPOperation Distance: Up to 10m (Free Space)Frequency Response: 20 - 20000 HzImpedance: 16?Battery capacity: 260mAhTalk Time / Music Play Time: about 24 hoursCharging time: 3 hoursColor: Black / White (optional)Headphone weight: 13g / 0.46ozPackage size: 8.5 * 5.2 * 3.5cm /3.35 * 2.05 * 1.38inPackage weight: 57g / 2.01ozPackage List:1 * Headphone3 * ear hook3 * earbuds1 * USB jack headset1 * data cable1 * instruction manual (multilingual)