4.0 smart chip,Efficient transmission speed.Compact, ultra Light Design Stereo Bluetooth Headset, Portable And Easy To Carry.Wireless songs enjoyVoice report number, low power remind,Connect/disconnect remind,Boot off prompts.Allows you to conveniently answer calls while driving.Supports Two Mobile

4.0 smart chip,Efficient transmission speed.Compact, ultra Light Design Stereo Bluetooth Headset, Portable And Easy To Carry.Wireless songs enjoyVoice report number, low power remind,Connect/disconnect remind,Boot off prompts.Allows you to conveniently answer calls while driving.Supports Two Mobile Phones Simultaneously Connected.Long battery life, fast charging.Support WeChat, QQ voice calls,movie,Compatible For Almost All The Mobile Phones And Tablet PC, etc.Specification:Drive: 40 mmImpedance: 32 OHMBluetooth version: Bluetooth v4.0 + EDRPower Level: CLASS IIOutput Power: 30mWBluetooth distance: 10 meters barrierFrequency response: 20-20000 HzOperating voltage range: 3.0V-4.2VPowerful noise noise cancellation circuit (Active Noise Reduction)Wired and Bluetooth automatically switch to support audio inputCharging time is about 1 hour (power indicator Charging: blue light lights, fully charged: blue light goes out)Dimensions: Diameter length 20MM. Width 15MM. 18mmMusic for about 3 hoursThe standby time is about 3-4 daysCharging Power: DC5V Power Interface [the hole] (computer USB port, mobile phone charger, car charger)Compatible: Compatible with Android, Apple, Microsoft,of with Bluetooth cell phonesColor: Black