Bluetooth Headphone Headset For Mobile Phone

Specifications Bluetooth Headphone Headset 1.Neckband design 2.Suitable for all bluetooth 3.Built-in Microphone 4.Sports    Bluetooth Headphone Headset For Mobile Phone Model No.BTS-0501NSupporting EditionBluetooth version: V2.1+EDR Frequency Range2.4GHz - 2.48GHzBluetooth Protocol A2DP/AVRCP/HFP/HSPTransmission Distance About 10MTalking time of Headphone Headset ≥ 5 hoursStandby time  of  Headphone Headset More than 30 hours Environment Temp.Working-20 °c - 60°cCharging0 °c - 45°cStorage-20 °c - 60°cOperating Voltage4.2VOperating Current≤ 35mAStandby Current≤ 2mABattery Type (Built in)Polymer Lithium Cycle Life300 charging cyclesAdaptor Input110.0 - 220V / 50 - 60Hz / 125mA OutputDC 5.0V / ≤ 80mACharge Time (Duration to reach full)2 - 3hoursDimensions (L*W*H) of  Headphone Headset 15*10*5.5cm(For gift box) Approx Weight  of  Headphone Headset 44g   Bluetooth connecting peopleBuilt-in Stereo Power Amplifier Speaker,Volume +/-,Prev/Next,Pause/Play,Redial,Voice Dial,Call Rejection etc.Built-in Microphone Both headset & handsfree profile integratedDual-mode/universal compatible with Bluetooth phoneUltra-clear sound speaker & utmost sensitive microphoneUser-friendly adjustability & comfortable wearing on both right or left ear with bluetooth headsetWireless music enjoy and wireless chatting( skype, QQ and MSN etc), wireless phone call answering