Product Name: Original Factory Game V4.2 Active Noise Cancellation Wireless Bluetooth Anc Headset Model NO.: WT-M52 Distance version: Class B Specifications: HSP Color: Black Characteristics: Power Display Function: Bluetooth Soundtrack: Dual Track Bluetooth Version: 4.0 Usage: Mobile Phone Style: Headband Product Name: Wireless Bluetooth Anc Headset Warranty: 12 Months Certificates: Ce RoHS FCC Bluetooth: V4.2 CSR 8635 Effective Distance: 10m Speaker Power: 20MW Battery Capacity: 800mAh Charging Time: 1-2hrs Play Time: 15hrs Standby Time: 90 Days Trademark: OEM Transport Package: Gift Box Specification: 19*17*7cm Origin: China HS Code: 8518301000 Product Description original factory game V4.2 active noise cancellation wireless Bluetooth anc HeadsetBig features:1. ANC true noice cancelling2. Special fashion design3.Focus on HI-FI sound quality HD Original clearer listening4.Low power consumption with fast 2hour charging headphone5.Voice Promtion Easy operation simple to master with mutilfunction buttons6.Protein leather cover & headband for comfortable wearing7.Extendable headband & 90 degree rotation axisfor different user8.Easy Foldable arm for smart to carrying outside9..Bluetooth Support protocol: A2DP/AVRCP/HFP/HSPall Bluetooth device10. CE ROHS FCC certificatesModel No.WT-M52Charming mobile Accessories Wireless ANC Bluetooth HeadsetProduct nameCharming mobile Accessories Wireless ANC Bluetooth HeadsetColorBlack, blue, green ,pink, red, yellowProduct size19*17*7cmpackage size19.5*18*8.2mmG.W0.29kgNoise CancellingActive Noise Cancelling/Reduction (Feed Back)Noise Reduction Peak:-20dB±3dBBluetooth chipsetCSR 8635Bluetooth Support Protocol:Hsp/Hfp/A2dp/AvrcpOperation Range:10 MetersDriver Unit:40mm Dynamic (Moving-Coil Speaker)Battery:Polymer Lithium Ion Battery Capacity: 800mAhMusic Playing Time:25hoursCharge Time:1hourcertificatesce rohs fccANCchip:ANCchip:AMSAS3435(AdvanceMonolithicSystem)NoiseReductionPeak-20dB±3dBBluetoothchipCSR8635V4.1versionBluetoothSupportprotocolHSP/HFP/A2DP/AVRCPAudiocodeSBCMP3OperationRange10metersMusicPlayingTime20HrsTalktime20HrsStandby480hoursBatteryCapacityPolymerlithiumionBattery800mAhChargeTime1.5HoursDriverUnit40mmdynamic(Moving-CoilSpeaker)DriverunitImpedance32Ω(ohm+/-15%)FrequencyResponse20Hz-20kHzDriverunitSensitivity103±3dB@1kHz1mWinIEC318MicrophoneCapacitivemicrophoneMicrophonesensitivity-42dB(0dB=1V/Pa,at1KHzLeatherProteinLeatherearcover/cushionMainMaterialProteinLeather/ABSplastic/PCplastic/StainlesssteelmetalDesignErgonomicdesign&LightweightdesignPackingGiftbox&CTNGiftboxsize:198x18x82mmCTNSize:560x406x465mmNW&GWNW.:14kgGW.:15.5kg,40pcs/CTN