Our wireless earbuds adopt advanced Wireless 5.0 version with multi-point technology, simultaneously connect with 2 mobile devices, high-sensitive inbuilt mic with CVC noise canceling technology, deliver crystal clear stereo sound. 2Hrs fully charged and 30Hrs runtime. One key operation enables it to be widely used in car owners, white collars, businessmen during travel or daily life. *Professional Business Style: Adopt Wireless 5.0 and multi-point connection technology, neckband design provides HD hands-free driving call both fit for left and right ear. Never miss an important call and personal entertainment. *Crystal Clear Sound: Latest Wireless 5.0 version with multi-point technology, simultaneously connect with 2 mobile devices with high quality and high speed signal transmitting, offering impressive crystal clear stereo sound or hands-free call. Adopt high-sensitive microphone with CVC noise cancellation technology to reduce ambient noise, grasp the details of voice and offer crystal clear sound even in a noisy environment. *One Key Operation: One key operation design, simply and quickly fulfill almost all functions with one multi-functional button like answer/end a phone, play/pause, pairing, power on/off, etc.. Note: Volume adjustment can be achieved through phone only. *Up To 30Hrs Runtime: Come with a wireless earpiece and wired earbud, can be used as a single earpiece or a neck headset when combined these two together. Inbuilt 200 mAh Polymer lithium battery sustains for 30Hrs runtime when 2 hours fully charged. *Snugly Ear Fit: Comes with 2 ear hooks, 1 replaceable ear cap, stable and comfortable for long time wearing. Product Type: Wireless Earpiece w/ A Wired Earbud Materials: ABS Wireless Version: V5.0 Transmission Range: 10m/32.8ft (Without Barriers) Battery: 1Pc 200mAh Rechargeable Lithium Polymer Battery Talk Time When Fully Charged: 30Hrs Music Time When Fully Charged: 25Hrs Standby Time: 1200Hrs Input: DC 5V/1-2A Color Available: Black, Rose Gold, Silver Charging Cable Length: 30.6cm/12.05in Item Size: See Pictures Package Size: 10.5x11x3.7cm/4.14x4.33x1.46in Package Weight: 69g/0.16lbs 1 × Wireless Earpiece w/ A Wired Earbud 2 × Ear Hooks 1 × Replaceable Ear Cap 1 × USB Cable 1 ×User Manual