Highlight Features:Berjalan provides you with the best price, the best quality products and fast delivery to your hands.Space-saving designUnique foldable design not only saves space but also makes it portable.Soft protein padding flexible closed-back fix.Lolding designEasy to storage and carry.Comfortable earmuffsAuricle with a soft sponge and leayher material inside,the 40mm subwoofer brings silence is a sterea experience.Never power off.Built-in speakerphone for hands-free calling, 300mAh Lithium-Ion rechargeable battery offers 10 hours talk time or music playbackBluetooth 5.0, Signal stability, speed, power saving .HD MIC, HD Sound, much more clear music and talking.Collapsible for easy storage, flexible and durable headband, protein leather ear cups allow prolonged useMicrophone Noise Reduction echo cancellation.Detailed Specifications:Brand: BerjalanModel: P9Product name: Bluetooth EarphoneColour: BlackLoad power: 50mWBluetooth version: Bluetooth 50Headphone Frequency Response Range: 20Hz-20KHzSupply Voltage: 3.3-4.2VSNR: 100dBWorking current: 30mAWorking range up to 15 metersFrequency response 5-2500HzSensitivity 105dBMusic time 8-10 hoursStandby time up to 10 7bhoursFrequency Range 2.4 GHZ-2.48 FGZTransfer mode: moving coil typeFrequency range: 24GHz-2480GHzCharging Voltage: 5VHorn Specification: 40mmCharging current: 5V500mAImpedance: 32Charging Interface: Micro USBPlug Type: 3.5mm Stereo InterfaceBattery capacity: 200 mAWeight: 150g/5.3ozShipping List:1 x Bluetooth Earphone1 x USB Charging cable1 x Colour boxNOTE:Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation. ThanksGreat value for your money Very affordable Easy to use