Brand Name: www.sw-box.com Model Number: Bluetooth Headset Style: In-Ear Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) SKU: 43614 Weight: 0.246 Kg Color: Black Packaging & Delivery Packaging Detail: Poly Bag / Customized Blister / Color Box Delivery Detail: 1-5 Working Days Specifications Caller ID R5 Stereo Bluetooth Headset (Black) Caller ID Bluetooth headphone Caller ID R5 Stereo Bluetooth Headset (Black) The Bluetooth Headset allows you freedom to make and receive calls while on the move or in the office. You can connect the headset to a compatible phone that supports Bluetooth wireless technology. It allows you to connect compatible communication devieces without cables. The Stereo music Bluetooth Headset let your music accompanying, free communication. The product adopted the latest wireless bluetooth technology, it can filter and reduce various kinds of noise, make you enjoy music or stay in a noisy environment, never
Brand Name: tamgle Model Number: BT8040 Style: Ear Hook Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Compatible brand: iphone/Nokia/samsung/blackberry or other device with bluetooth Packaging & Delivery Packaging Detail: polybag/carton Delivery Detail: 7 days after receiving the payment Specifications Place of origin: China mainland Brand: Tamgle Compatible brand: iphone/Nokia/Samsung/blackberry etc Package: Polybag/carton wireless handsfree bluetooth headset Description: 1.Transmission distance: 10 meters2.Earphone weight: 10 grams3.Talk time: 6 hoursS4.Standby time: 200 hours5.Bluetooth version: 2.06.size: 39*18*12 mm Detailed introduction: 1. wireless play music2.basic design - weight less than 10 grams3.multipoint connection, could connect 8 equipments - could connected 2 devices at the same time.4."no Ear hook" wear - 3 kinds of the
Brand Name: OEM Model Number: A-19 Style: In-Ear Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: China (Mainland) Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 7-10days Specifications 1)2.40GHz-2.48GHz 2)Bluetooth V2.0+EDR, 3)Glass2 4) FM+ mp3 player +bluetooth 5)Range:10 meters Item: A-19Name: bluetooth + card reader mp3 +FM (3 in one) headphone Features 1)Operating frequency range: 2.40GHz-2.48GHz2)Bluetooth V2.0+EDR, 3)Transmitting power: Glass24)Support: FM+ micro card up to 4GB mp3 player +bluetooth5)Range of wireless connection: 10 meters6)Built-in chargeable 300mAH lithium battery7)Talk time: 8hours; 8)Stand-by time: 150 hours, charge time:3-4hrs &
Specifications Bluetooth earpiece 1.High quality, fashionable, comfortable and acoustic high fidelity 2.Convenient for you to operate Features and SpecificationsMini Mobile Phone Wireless Bluetooth Headset with EarhookIt features high capacity li-ion battery, 200% longer talk time than normal Bluetooth headsets. Bluetooth V2.1 compatible with any bluetooth enabled Mobile phones. At the same time, it is also a perfect mobile phone accessory for drivers and businessmen especiallyFashion and comfortableHealthy and environmental friendlyAcoustic high fidelityConveniently operatingMakes your hands free and let you safe when drivingMain function: To Answer/End a Call; To Reject a Call; To Make a Call; To Transfer a Call; To Redial Last Called Number; Voice Dial; Answer 2nd Incoming CallThe best cell phone accessories for business men and drivesSpecification:Bluetooth standard: V2.1 with EDRTransmission: Class 2Working range: 10M (33ft)Frequency Range: 2.4GHz SpectrumSpeaker output
Brand Name: lg Model Number: hbs 730 Style: Ear Hook Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: 25.6 x 17.6 x 4.8 cm Delivery Detail: 3-7days Specifications Enhanced Audio and Bass Response Noise Reduction/Echo Cancellation Advanced Multipoint Text to Speech LG Tone+ FeaturesTalk/Music Time: Up to 15/10 hoursBluetooth Version: 3.0Long Battery LifeMicrophone MuteaptX CompatibleAudible Battery Status AlertVibrating Call AlertText to SpeechAll Day Comfort Witness the enhanced audio and bass response of the next evolutionary step in the LG TONE family. Tone+ Wireless Stereo Headset delivers a high quality audio experience in stereo sound with the convenience of Bluetooth technology. Music and phone conversations sound better with enhanced audio and bass response that compliments a wide range of music genres. Built in apt-X technology reproduces CD quality sound over
Specifications Mini Wireless Bluetooth Headset for iPhone Description:
Brand Name: USBNOVEL Model Number: UST-BHF20 Style: Ear Hook Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Specifications bluetooth hand free,bluetooth headset,bluetooth earphone bluetooth hand free,bluetooth headset,bluetooth earphone Description:- Technology: Bluetooth version V2.0 + EDR. Transmission Products: 10 m Support for Bluetooth headsets, hands-free, A2DP and AVRCP functions Size: 55mm x 24mm x 27mm. Weight of the product: about 20.1 grams Call Time: 6 hours standby time: 150 hours. Charging time: 3 hours Audio: stereo Standard configuration: packaging, manuals, chargers
Specifications Bluetooth 2.1 wireless transmission protocol High SNR Bluetooth audio connection Switch-over between calls and music Description: Bluetooth headset 1: Bluetooth 2.1 wireless transmission protocol &nbs
Brand Name: VCOM Model Number: DE755 Style: Headband Communication: Wireless Connectors: bluetooth Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Static Current: Under 10 μA Working Current: under 30mA Working Voltage: 4.2V Output power: L 20mw R 20mw Battery Capacity: 330mAH 3.7V Input Voltage: DC5V/200mA Working time: Above 8 hours Packaging & Delivery Packaging Detail: VCOM pcakage,OEM is according to customers need Delivery Detail: 25-30 days after receive the prepayment Specifications 1.Hot Saling Foldable Best DJ Bluetooth Headphone 2.Charge time:3 hours 3:Work time:18 hours 4.low MOQ 5.OEM available Hot Saling Foldable Best DJ Bluetooth Headphone Detailed Product Description Bluetooth headphone Static Current: Under 10 μA Working Current: under 30mA
Specifications Bluetooth Headphone 1.Bluetooth specification: 3.0 + EDR Class 2 2.Foldable design 3.Music playing time: up to 7 hours Black Foldable High Quality Music Stereo Bluetooth Headphone Feature:1.Foldable design, be accompany with you everywhere.2.Extreme comfort from adjustable headband and earplug3.Wireless connect with Bluetooth enable cell phone or PC for hands free communication4.Bluetooth specification: 3.0 + EDR Class 25.Bluetooth profiles supported: HSP, HFP 1.5, A2DP1.2 and AVRCP1.06.Operating distance: 10 meters Class 27.Built-in rechargeable battery : DC: 3.7V/200mAh 8.Talk time: 6 hours9.Music playing time: up to 7 hours10.Standby time: up to 300 hours11.
Specifications Bluetooth headphone 1.Version:Bluetooth V2.1 2.Wireless Frequency Range:2.4GHz 3.Transmission Distance:10m Professional bluetooth headphone with factory price 1,Version:Bluetooth V2.12,Wireless Frequency Range:2.4GHz3,Transmission Distance:10m4,Charging time:up to 2 hour5,Talk time:minimum 6 hours6,Standby time:minimum 180 hours7,Color:back,blue,red,white,gray8,Net weight:12.3kg;Gross weight:16.9kg9,Carton size:78cm×39.5cm×52cm10,Quantity:60pcs/ctn
Brand Name: OEM Model Number: BH99B Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: pink price: cheap bluetooth headphone: bluetooth headphone Bluetooth Headset V2.0 EDR: Bluetooth Headset V2.0 EDR Long talking time: Long talking time Cheaper price: Cheaper price Talking time: Up to 4 hrs Accessories: Retail box user manual: user manual USB Cable ear hook: USB Cable ear hook Packaging & Delivery Packaging Detail: - Box: standard or customization - User Manual x1 - USB Cable x 1 - Charger: car charger or Travel charger Delivery Detail: 1-3 woking days Specifications 1)bluetooth headphone 2)Bluetooth Headset V2.0 EDR 3)Long talking time 4)Cheaper price 5)Talking time: Up to 4 hrs Product name : Bluetooth mono headsetBluetooth Headset V2.0 EDR, 10mTalking time: Up to 4 hrsAccessories: Retail box, user manual, USB Cable ear hook
Specifications 2012 new noise cancelling bluetooth headphone 1. CSR chip 2. connect 2 phones 1 time 3. play music 4. work with mobile,PSP e Item:2012 new noise cancelling bluetooth headphone Why buy from us?--1. OEM orders are welcome--2. Wholesale,Retail order acceptable.--3. Mixed order/color acceptable.--4. Fast delivery time--5. Sample available.--6. Shipment by DHL,EMS,UPS,FEDEX,China/HK post airmail to all over the world--7. Drop shipping offered.--8. Payment accept T/T, Paypal, Western Union, Escrow etc. Main Specifications: Name: Multimedia bluetooth stereo headsetType: Bluetooth clip-on stereo headset 1. Travel charger: DC 5v 220mA2. USB charger USB +5V3. Battery Voltage: 3.7V high capability rechargeable lithium polymer batter4. product standard, class 2 Operation5. Talk time: 5.5 hours6. Standby time: 80hours Pictures for your reference: How to connect 2 cell phones in 1 time? Welco
Specifications 1.Bluetooth Headphone 2.Stylish design 3.Bluetooth connection 4.Stero sound 5.Light weight Bluetooth versionV2.1Bluetooth profiles suppportedheadset, handsfree, A2DP and AVRCP.Freequency2400.0-2483.5MHzNominal charging time2-3 hours.Talk timeup to 7 hours.Music playing timeup to 6 hoursStandby timeup to 180 hoursDimensions15 (L) * 11(W) * 7.5 (H)mmWeight100g
Brand Name: BW Model Number: BW0205133 Style: Neckband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Type: Bluetooth headphone with TF memory card Packaging & Delivery Packaging Detail: Blister bag Delivery Detail: within 5-7 working days after payment arrived Specifications Bluetooth headphone with TF memory card 1)Bluetooth range:10meters 2)Audio cable type:2.5mm/3.5mm 3)Bluetooth Core: V2.0+EDR Bluetooth headphone with TF memory cardNumber:BW0205133 Features:1.Audio cable type:2.5mm/3.5mm,2.Bluetooth range: 10meters 3.Talking time:up to 5hours 4.Standby time: up to 80hours 5.Bluetooth headset with TF card slot and MP3 player function 6.Can be as wired stereo player when inserting into pc 7.MP3 Playing time:up to 8 hours 8.Support MP3,WMA,WAV files format 9.Power supply: rechargeable 400mAh lithium battery 10.Bluetooth Core: V2.0+EDR 11.Bluetooth Program:ISSC+Class2 12.Support system:
Brand Name: OEM Model Number: XH-E002 Style: In-Ear Communication: Wireless,wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Type:: Bluetooth clip-on stereo headset Earpiece Design:: Earbud (In Ear) Features:: Noise Cancellation Wireless Technology:: Bluetooth color: black and white Earpiece Design: Earbud (In Ear) size: 6.2x1.2x.5cm Talk Time: up to 5 hours Charging time: Approximately 1.5 hours Packaging & Delivery Packaging Detail: standard package,like gift box,window box Delivery Detail: 7days Specifications bluetooth headphones Automatically switch between music and call Long standby time Muti-point connection OEM Super good price and top sell bluetooth headphones,China bluetooth headsets supplier Elegant Mini Bluetooth stereo wireless Headset Headphone for Apple,Android Smart Phones Product Specification:Bluetooth version: 3.0 Blueto
Specifications *Bluetooth headphone With Microphone *Frequency:2.4GHz-2.48GHz *Music time: Bluetooth 10h MP3 8h *Standby time: Up to 26h New Arrival DT120s bluetooth headphone *Frequency:2.4GHz-2.48GHz*Music time: Bluetooth 10h MP3 8h*Standby time: Up to 26h Newest Bluetooth Headset With Microphone DT120s Specificaions:*Bluetooth Headset For Both Ears *Frequency:2.4GHz-2.48GHz*Music time: Bluetooth 10h MP3 8h*Standby time: Up to 26Technical parameter and specification:Frequency range:2.4GHz-2.48GHzTransmission power: Class 2Operating voltage: 3.6vOperating current: Bluetooth≤25mA Mp3≤45mAStandby current:≤0.5mATramission distance: Max.20M(open space)\Headset size: 160*125*70mmMusic time: Bluetooth 10Hours MP3 8HoursCharging time: 2-3 HoursTalking time: Up to 12 HoursStandby time: Up to 260 HoursGross Weight: 0.5KGPackage Size:18*17*7cm
Model Number: A4015R Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: China (Mainland) Talking time: Up to 7 hours Packaging & Delivery Packaging Detail: standard or special package Delivery Detail: 1-5 business days after received confirmed order Specifications 1: Chic design/Human technology/Noise free. 2: Two wearing styles: lanyard or clothing clip. 3.Music play,volume control. Welcome to eShow Alibaba Golden Supplier! &nbs
Specifications - Bluetooth Stereo Headphone - S1000 - Stereo Bluetooth headphone for iphone - Supports Bluetooth A2DP, AVRCP - CSR Main chip Bluetooth Stereo Headset for iphone- S1000 [Features]- Stereo Bluetooth headphone with back-hang style- Supports Bluetooth A2DP, AVRCP, and HS/HF profiles- Features CVC Software echo/noise cancellation for reducing noise - Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc - Switch automatically from remote controls on the headset allow you to play, skip and select your music tracks.- Up to 20 hours of music playback time [Specification]- Bluetooth Specification v2.1+EDR class 2 - The latest version of A2DP1.2 and AVRCP1.0 profiles support- Supports Bluetooth Headset and Hands-free Profile(HFP 1.5)- RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band- Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm- Frequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 D
Specifications Handswriting pen bluetooth headset The BT Mini Phone is a handy handset that pairs up with your mobile, so that you ca Handswriting pen bluetooth headset
Specifications fashionable and simple design foldable design,easy to take away. Bluetooth Chip: CSR 2.1Bluetooth Profile: A2DP,AVRCPOperation Distance: up to 10 MRechargeable lithium ion battery: 3.7V 180mAhPlayback time: 7-8 HoursCharging time: 2-3 HoursFrequency Response: 50HZ-20KHZS/N Ratio: >=95dBInput Sensitivity: 600mv RMSDistortion: <=1.0% Battery Capacity 180mAhBattery Voltage 3.7VUSB input Voltage 5VPlayback time 8 hours Compatibility Including: -Apple IOS 4.0 version above(iPhone 5 & 4S & 4 & 3GS)(New iPad & iPad2 &iPad)(iPod Touch 4 ) -Nokia Symbian S60 (V3.0, 3.1 or 3.2) OS -Windows Mobile (6.0 and later) OS Current we use Gift color box. Pls email us for details and packing liOrder Qty over 3,000 pcs. We can customize your packaging.Pls contact us to set the details Our R&D team can meet your specific function requests of the products. So pls let us know your ideasWe also like to introduce our ne
Specifications hi-fi bluetooth headphone support Humanized voice prompts 1.Humanized voiceON/OFF 2.bluetooth 4.0 hi-fi bluetooth headphone support Humanized voice prompts hi-fi bluetooth headphone ; bluetooth headphone ; wireless headphones bluetooth Features: *Bluetooth Stereo Headset*Built-in APTX, AAC professional decoding Support virtual 3D surround sound In connection with the Apple computer , can support APTX, to enjoy better sound quality with Apple.* Use the virtual 3D surround sound technology, Let you enjoy the perfect and true listening experience.*AUX -IN audio input Built - in 3.5mm audio input jack, can connect an external audio device.* Humanized voice prompts Clear Power On/Off and matching voice prompts. &nb
Specifications 1.high quality sound headphone 2.comfortable feather earmuff 3.mp3 insert cards headset earphone 4.fm radio 5.bluetooth cheap bluetooth stereo headphones tablet stereo bluetooth headphones factory 1) main featuressupport SD card/MMC /TF,max 16G.support audio forms of MP3, WMA. high quality speaker and sound cavity design,ensure high fidelity.CD quality effect. built-in standard 300 mA 4C polymer rechargable battery, continuous play music to 8 hours.line-in ,it can be as the HI-FI headphone to enjoy the external sound.line-out,to the paly the music through the external audio device with one audio cableone usb adapter and audio cable2) Basic technical Parameters
Brand Name: QR Model Number: QR-C918 Style: Headband Communication: Wireless Connectors: USB Use: mobile phone, Laptop, PC, & PSP , Table etc. Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Blue Yellow Red Pink White Black Packaging & Delivery Packaging Detail: 1pc/strong blister box, 500 pcs/ctn Customized welcome Delivery Detail: 1pc/strong blister box, 500 pcs/ctn Customized welcome Specifications 2013 New-style Stereo Headset V3.0 Bluetooth Headphone 2013 New-style Stereo Headset V3.0 Bluetooth Headphone Specifications: 1)Bluetooth headphone lets you listen to music or take phone calls wirelessly2)High-quality speakers deliver crisp,rich sound.3)Accept incoming calls or toggle between tracks with the touch of a button4)Lightweight,comfortable design for all-day listening, headphone string retractable5)Compatible with bluetooth enabled devices,such as most computers, cellphones, For iPhone/iPad/iPo
Specifications mini bluetooth headphone for ipod *Bluetooth V4.0+EDR *APT-X supported *Newest inline control technology Mini bluetooth headphone for ipod and smartphonesModel: BTH023*Bluetooth V4.0+EDR *APT-X supported*Newest inline control technology *Mini and small Feature*Small and lightly design brings you comfort during sport*Support APTX/AAC for outstanding audio quality and professional sound*Special charging clip allows charging via AC power adapter or computer USB port*The music will stop automatically when receives an incoming call*Supports remote control of play, pause, volume up and volume down*Call transfer between the headset and Bluetooth mobile phone*Automatically connects to the last connected Bluetooth device Specification*Bluetooth specification: V4.0+EDR* Bluetooth profiles supported: HSP, HFP, A2DP and AVRCP* Operating distance: 10 meters Class 2* Rechargeable 85 mAh Lithium-ion battery* Talk time: Up to 4.5 hours*Music playing time: Up to 4.5 hours* Sta
Specifications 1. Bluetooth Headsets Earphones Convenient For Sports 2. Built in Microphone 3. Stereo 4.Color: Black,red,blue,green Bluetooth Headsets Earphones Convenient For Sports Features:1. Wireless appreciation in the mobile phone play the stereo music.2. listen to the radio broadcast computer stereo music.3. Use the network to realize the remote wireless two-way conversation.4. Radio listening to the stereo music, dial out, answer the call to be automatic conversion.5. Portable back-hang design, convenient for sports.6. Allow you answer the phone anytime and anywhere.7. Built in Microphone for Handsfree Cell Phone use.8. Can answer calls from any phone. Specifications: ColorBlack/Red/Blue/GreenWeight75gButtonsPlay/ Pause, VOL +, VO -, Call/ ReceiveCharging time1-2 hoursPlay time4 hoursStandby time250 hoursUSB Cable LengthAbout 62 cm/ 24.8''Bluetooth versionV2.1+EDAudio range2.402GHZ~2.480GHZ ISM BandBatteryBuilt-in lithium battery (charged via 2.0 USB)Channel79cha
Specifications Bluetooth headphone with TF memory card 1)Bluetooth range:10meters 2)Audio cable type:2.5mm/3.5mm 3)Bluetooth Core: V2.0+EDR Bluetooth headphone with TF memory cardNumber:GP0205133 Features:1.Audio cable type:2.5mm/3.5mm,2.Bluetooth range: 10meters 3.Talking time:up to 5hours 4.Standby time: up to 80hours 5.Bluetooth headset with TF card slot and MP3 player function 6.Can be as wired stereo player when inserting into pc 7.MP3 Playing time:up to 8 hours 8.Support MP3,WMA,WAV files format 9.Power supply: rechargeable 400mAh lithium battery 10.Bluetooth Core: V2.0+EDR 11.Bluetooth Program:ISSC+Class2 12.Support system:Win98/SE/2K/XP/Win7, 13.Operation voltage:3.4 V - 4.2 V;14.Working current:15 mA-35mA;15.The standby current:2 ma or less;16.Battery capacity:120 ma,17.Frequency response range: 20 hz - 25000 hz;18.Available color:black,white,reed,orange,red,grey,19.Unit weighit:45G,Package weight:135G. Packing:Blister bag65pcs/CTNN.W:8.80kgsG.W:9.80kgsCTN size:50*3
Brand Name: Tonsion Model Number: BT30-C Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Type: Bluetooth For use: Mobile notebook ipad Color: black/white Connector: Bluetooth Compatibility: Mobile Phone, PC, MP3 player, etc. Packaging & Delivery Packaging Detail: blister package or color box Delivery Detail: delivery in 30 to 35 days around after got the deposit in advanc Specifications Bluetooth Headphone With TF Slot 1.new model 2.turnable 180 degree cover 3.stereo headset 4.welcome OEM brand Bluetooth headphone With TF Slot For Notebook Mobile Product Specifications: Wireless frequency:2.404-2.479GHz, ISM BAND Operating Voltage and current:30mA 3.7V.( 3.7v 500mA lithium ion battery) Speaker Frequency Response:20Hz-20KHzMicrophone Frequency Response:100Hz-8KHz SNR of speaker:>70dBSNR of microphone:>=55dBD
Specifications Perfect wireless bluetooth headphone 1.Comfortable, padded earcups 2.Noise Reducing 3.Natural & aggrandized bass so Product specification 1. Standard 3.5mm plug fit all the Comfortable to wear 2. Illustrious sub-woofer 3. Great complements for video conferencing, webcams and other audio voice applications 4. Very suitable for iPod or skype users, MP3/MP4 players, CD players, NDS, Cell Phones, iPad, Tablet PCs, PSP, Computers 5. Natural and aggrandized bass sound 6. Perfect earphone for a disturbance-free and impressive experience 7. Clip-on-ear special feature, Adjustable ear-band &nb
Brand Name: MSphone Model Number: XSL-298 Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Material: ABS Color: white,black,red,pink,yellow,sky-blue OEM: Yes Feature: Wireless,power charging with USB interface transmission scope: 10 meter 20ft/40HQ: 14000pcs/34500pcs Certificates: CE,ROHS Connection: Wireless Bluetooth Packaging & Delivery Packaging Detail: Window Gift Box. Delivery Detail: 5 days Specifications 1.Cordless bluetooth function. 2.Volume +/- control,ON/OFF button. 3.Many colors,mixed colors. 4.Frosted with rubber finish. Using steps:1. Turn on the power::Press the function key until the indicate light flashes between blue and red.2. Pairing:A. Activate the phone Bluetooth function;B. Open the Bluetooth search function;C. receive search to MSphone model, chose the model, then the blue light flashes that pairing success (If needed,the phone pairing password is: 0000, this Bluetooth device model: MSphone)3. Answer cal