Product Name: I9mini in-Ear Bluetooth Earphone Headphone Micro Wireless Sport Headset Earbud Model NO.: i9 mini Distance version: Class B Specifications: HFP Color: White Characteristics: Voice Control Function: Bluetooth Soundtrack: Dual Track Bluetooth Version: 4.1 Usage: Mobile Phone Style: In-ear Earphone: Bluetooth Bone Earphones Certifications: Ce, FCC, RoHS Sound: Noise Cancelling OEM ODM: Accept Logo: Any Logo as Customer Play Music / Talk Time: 3-4 Hours Standby Time: about 100 Hours Battery Type: Rechargeable Polymer Lithium Battery Clip: CSR63120 Top Chip Headphone: Wireless Headphone Trademark: oem Transport Package: Box Specification: 10*5*5 Origin: China HS Code: 8517629900 Product Description parameter:Name: Invisible waterproof Bluetooth headsetColour: BlackNet weight: 3.8gSize: Headphones 1x1.5x1cm outer box 7.8x6x2.5cmBluetooth protocol: 4.2Listening to the song talk time: 3-4 hours standby time: about 100 hoursTransmission distance 10 meters DSP intelligent noise reductionPackage include:Headset x1USB cable x1Earmuffs x2Manual x1