The new version has much more features than ever before, and was designed it should sit on your shoulder firmly, but easier than before. The Ear buds are soft and it&#39;s wire won&#39;t need the hooks anymore, since a press on the button in the side will pull it in its special designated spot.<br/>Features: <br />You must connect your phone with Bluetooth.<br />The product with microphone, convenient to use.<br />Telescopic type of bluetooth headset, convenient to use.<br />The design of compact luxury. <br />Built-in microphone, available for cell phone to transmit the speaking phone to your audio devices directly, hands-free answering. <br />Support Answering and hang up calls<br />Roller switch(convenient one-click volume and music control keys)<br />You will look great and keep fashion while listening to your favorite music. <br/>Specifications:<br />Model: HBS-900 <br />Material: PC<br />Color: Black, Golden, Silver (Optional)<br />Bluetooth version: 4.1<br />Charging voltage: MICRO USB 5V<br />Output power: 2 * 18mW<br />Frequency range: 2.401-2.480GHz<br />Working current: 10-20mA<br />Bluetooth Working distance: 10M<br />Distortion factor: ≤1%<br />Frequency response: 20Hz-20KHz<br />Working Time: Music state 10H/ Talkingstate 15H<br />SNR: S/N≥95<br />Charging Time: 2hour<br />Speaker: 16Ω20mW * 2<br />Battery: 3.7V / 195MAH<br />ANC frequency: 100-1000HZ<br />ANC level: 15-20dB<br />Standby time ≥500H<br />Item weight: Approx. 47g / 1.65oz<br />Package size: Approx. 21.5 * 18.5 * 4cm / 8.3 * 5.9 * 2.2in<br />Package weight: Approx. 189g / 6.63oz <br/>Package including: <br />1 * Headset<br />4 * Earbuds<br />1 * USB Cable<br />1 * User manual (English)