Wireless Earbuds, Bluetooth Headphones V4.2 Mic Earpieces True Wireless Stereo Hands Free Call in Ear Sweatproof Sport Earphones Headset with Charging Box (Black one) ONE-STEP PAIRING--Our high end earbuds adopt the latest True Wireless (TWS) Bluetooth 4. 2+EDR technology to ensure synchronous connection pairing by transmitting strong signal in high quality and high-fidelity stereo music. These earbuds are extremely easy to connect and hassle-free. SECURE & MINI DESIGN--Extremely light weight and mini in-ear design with two pairs of ear tips to ensure your headphones stay comfortably firm in place and improve the experience on sports. STABLE CONNECTIVITY--Provide stable and seamless connectivity with Bluetooth 4. 2 and high sensitivity antenna enabled devices up to 33 feet away, which also ensure low latency and low energy features during data transmission. TRUE WIRELESS EXPERIENCE--You will never worry about wire tangles while on wireless earphones as they use no wire connections at all and the connection is strong for a 33 ft. distance. Wireless earbuds justify the new revolution in your music output experience. As long as your device is within the range, we guarantee you quality music better than the wire embedded earphones. WARRANT REPLACEMENT--12 months wireless earbuds warranty guaranty, unconditionally refund or resend with any quality problems, 24 hours quick reply. Hands-free earplug built-in 60mAh rechargeable battery, 3-4 hours playing time, about 1 hour charging time, 7-10 days standby time, support battery power display for ISO system, ear buds work status is not flash, invisible in ear, more convenience.