The BT Stereo Headset comes with ultra-small size & ultra-light weight, BT chip and hands-free call with built-in high-performance Speaker & Microphone, offering wonderful music and clear communication. Its light weight and compact portable size are perfectly suitable for office and travelling use. Features:* BT technology ensures strong signal and fast transmission and offers high-fidelity stereo music, suitable for iOS / Android smartphones and other BT-enabled devices.* The BT headset with light weight, super mini size provide you long time wearing comfort and guarantee 100% stable.* High-sensitivity microphone with DSP noise reduction function grasps the detail of voice, ideal for in-car calling or working use.* Multi-point technology supports connecting two BT devices simultaneously, which enables you to switch between your business and personal phones.* Simple operation, easily control playing/pausing, answering/ending/rejecting an incoming-call and redialing the last number.Specifications:Model Number: S530XBT Version: 4.1Operation range: Up to 10 metersFrequency Response: 20Hz-20KHzImpedance: 32Speaker Sensitivity: 80dBBattery: 3.7V/ 40mAh (401215)Standby Time: about 120 hoursPlay Time: about 3 hoursTalk Time: about 4 hoursColor: Black, Beige, White (Optional)Main item size: 2.8 * 2.4 * 2cm / 1.10 * 0.94 * 0.78ozMain item weight: 5g / 0.17ozPackage size: 8.5 * 6 * 2cm / 3.34 * 2.36 * 0.78inPackage weight: 12g / 0.42ozPackage List:1 * Headset1 * USB Cable1 * User Manual (English & Chinese)