K&a Uni-tech Limited is a K&A Uni-Tech Limited based in Shenzhen , China. K&a Uni-tech Limited is a member of exporthub.com since March, 2010. Our business is related to Electrical & Electronics Supplies industry and we specifically deal in Bluetooth headset. Please find our product details below:Bluetooth mono Headset Bluetooth Specification v2.0+EDR class 2 RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm Supports Bluetooth Headset and Hands-free profiles Speaker volume gain control 1 Button design: MFB, LED Indicator Status: Blue, Red Rechargeable 70mAh Li-Polymer Battery 2.0mm DC Plug charging Port Charger adapter Output: DC 5V&200mA Nominal charging time: Max 1.5 hours Talk time: Up to 3.5 hours Standby time: Up to 60 hours Dimensions (main body): 33(L) x16(W) x 9.5(H) mm Weight: 6.4 grams Operating Temperature: -10 oC - 50oC Storage Temperature: -20 oC - 80oCBluetooth mono Headset Bluetooth Specification v2.0+EDR class 2 RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm Supports Bluetooth Headset and Hands-free profiles Speaker volume gain control 1 Button design: MFB, LED Indicator Status: Blue, Red Rechargeable 70mAh Li-Polymer Battery 2.0mm DC Plug charging Port Charger adapter Output: DC 5V&200mA Nominal charging time: Max 1.5 hours Talk time: Up to 3.5 hours Standby time: Up to 60 hours Dimensions (main body): 33(L) x16(W) x 9.5(H) mm Weight: 6.4 grams Operating Temperature: -10 oC - 50oC Storage Temperature: -20 oC - 80oCThank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.