Feature:1. true wireless in ear earphone , binaural stereo effect , stable performance.2. Separate left and right ear channels , HIFI sound quality , better music experience.3. The two earbuds can be used together or as two separate headphones at your will.4. Ergonomic design , good hand feeling , small size and lightweight , easy to carry.5. Equipped with charging bay and LED power display , clear at a glance of the battery.Spec:Item Type: EarphoneCondition: 100% brand newMaterial: ABSColor: BlackBluetooth Version: V5.0Supported Protocol: A2DP ,AVRCP ,HFP ,HSPFrequency Range: 2.405GHZ 2.480GHZ ISM BandSignal Distance: > 10m ,33ftCharging Voltage: DC5VInput Current: 5VOutput Current: 5V 1AOperating Temperature: 10 50Charging Time: 1 2 hoursHeadset Battery Type: Lithium battery 201530Headphone Battery Capacity: 60mAhCharging Bay Battery Capacity: 2200mAh Battery Type: Lithium batteryPackage List:2 x Earbuds1 x Charging Bay4 x Ear Caps1 x User Manual