Condition: 100% BRAND NEW Color: Black Brand: D8 Model Compatibility: Headset and Hand-free and A2DP & AVRCP Profiles Feature: HI-FI Stereo Battery Call Type: polymer lithium-ion batteries 80MA / 3.7V Capacity: 80 mAh Working Current: <= 15mA Standby current: <= 0.6mA Operating Current: <= 16mA Speaking Time: 7 hours Stand by Time : 150 hours Full Charge Time: <=2.5H Cycle Life: UP 500 Times Bluetooth specification standard: Bluetooth 3.0 and 2.1 + EDR and Bluetooth 2.0， 1， 1.1 Size: 55x32x17 mm Weight: 10g plug and play 3.5 mm connector Voice prompt language set: There are 5 language for the option ( English， Chinese， Spanish， French， Germany) How to change the language: 1. Turn on the mobispeaker 2. Before you connect your bluetooth with your cell phone， long press the function key for 3 seconds (speaker " beep" twice)， the release the key. Voice Prompt language cycle changing. When turn to you required one， press the function key to confirm. @ You have to change the language before you connect the bluetooth. Compatible with Any product compatible with Bluetooth. include HTC， Nokia， Samsung， iPad， iPhone， Sony series How to use Insert it into your car AUX IN device. Feature 1: computer and mobile phone charger can charge for the product 2: charging protection， charging and full LED indication， and run it prompts 3: Compatible with iPhone / iPad / iTouch and other Bluetooth-enabled smart phones 4: five tone options: five languages support (English， Western， France， Germany) Highlights 1: the world's smallest Bluetooth transmitter， compact and stylish appearance， housing full piano paint technology， light wear durability 2: high-fidelity stereo output 3: The unit has a high-sensitivity microphone， Bluetooth chip call noise reduction， clear speakerphone 4: This product has a power-saving device， the Bluetooth link is removed more than 15 minutes， the unit will enter the shutdown state， the shutdown current ≤ 3uA， turned off the battery life of up to one year or more 5: low-power， full power， standby time up to 150 hours of continuous music playback or call up more than 6 hours