Product Name: Sport Waterproof Bluetooth Headphone Sweatproof HiFi Stereo Noise Cancelling Handsfree Earphone Model NO.: ASHYDY8 Distance version: Class A Specifications: HSP Color: Black Characteristics: Power Display Function: Bluetooth, Multimedia Soundtrack: Dual Track Bluetooth Version: 5.0 Usage: Mobile Phone, Call Center, MP3 & MP4, Computer, Game Player Style: Ear Hook Trademark: OEM Transport Package: Retail Package Origin: China Product Description Detailed parameter descriptionMaster chip CSR 8635 (ABS) materialBuilt-in battery Model 501235 + 170 mA with battery protectionusage time 12 or more hoursBluetooth versionV4.2Product colorBusiness blackThe main function 3D stereo, one-to-two function, caller number, Chinese and English voice, magnetic designTransmission distanceStraight line 10 metersUse modelSuitable for all Bluetooth-enabled mobile phones, Bluetooth PDA phones, voice devices, etc.Standard accessoriesEar cap + manual + charging cablePackage dimensionsHard case 15*20.1*3.2cm kraft paper 13.5*15.5*2.9cm Bare metal 41g full set 115gPacking specification Hard box 42*32*43cm/48pcs cowhide box 68*32*27.5cm/100pcs