Our wireless earbuds adopt advanced Wireless V5.0 and high-sensitive inbuilt mic with noise canceling technology, deliver crystal clear stereo sound. Inbuilt a 140mAh rechargeable battery of earbud lasts up to 10-hour unstoppable music time with 2-Hr fully charged via included USB charging cable. 180° rotation design of ear tips and 270° rotation design of ear hook enables earbuds to fit your ear auricle and fit both in your left or right ears. Designed with durable hooks and premium silicone gel ear tips(S/M/L) provides you comfortable long time wearing experience. Simply and quickly fulfill almost all functions via pressing one multi-functional button. IPX4 waterproof and sweat-proof performance prevent earbuds from corrosion, suit for business and personal use. *PROFESSIONAL BUSINESS STYLE: Adopt Wireless 5.0 and multi-point connection technology, 270° rotation design of ear hook and premium ear tips provides HD hands-free driving call both fit for left and right ear. Never miss an important call and personal entertainment. *STABLE & COMFORTABLE WEARING EXPERIENCE: 180°Rotation design of ear tips adjusts to your auricle and fits best in-ear status; 270°Rotation design of ear hook enables earbuds to fit both in your left or right ears. Designed with durable hooks and premium silicone gel ear tips(S/M/L) providing you comfortable long time wearing experience. *CRYSTAL CLEAR SOUND: Latest Wireless V5.0 with high quality and high speed signal transmitting, offering impressive crystal clear stereo sound when on call or listen music within the 49.2ft maximum distance connectivity. Adopt high-sensitive microphone with CVC and DSP noise cancellation technology to reduce ambient noise, grasp the details of voice and offer crystal clear sound even in a noisy environment. *EASY OPERATION & MULTI-USES: Adopt one-key button design, simply and quickly fulfill almost all functions via pressing one multi-functional button like answer/end a phone, play/pause, pairing, power on/off, etc. *ENJOY 10HRS MUSIC & IPX4 WATERPROOF: 2 Hrs full charge for eurbud via included USB charging cable and enjoy 10Hrs unstoppable music. IPX4 waterproof and sweat-proof performance prevent earbud from corrosion. Compact and lightweight earbud is easy to store and carry anywhere anytime. Product Type: Wireless 5.0 Earbuds Noise Cancellation: CVC6.0, DSP Noise Cancellation Transmission Range: 10-15m/32.8ft-49.2ft (Without Barriers) Transmission Frequency: 2.4GHz-2.48GHz Input Power Rate: 5V/1A Microphone Sensitivity: -93dB Talk/Music Play Time: 8-10Hrs 2 Earbuds Charging Time: 2Hrs Earphone Battery Capacity: 1Pc 140mAh Standby Time: 300Hrs Waterproof Level: IPX4 Sweat-proof Performance Material: Plastic, Silicone Gel Ear Tips Color: Black Micro USB Length: 24cm/9.4inches Earbud Diameter: 1cm/0.39inches Per Earbud Size: 5.5x4.5x2.5cm/2.16x1.77x0.98inches Per Earbud Weight: 15.5g/0.034lbs Package Size: 9.4x7.2x3.2cm/3.7x2.8x1.26inches Package Weight: 45g/0.10lbs 1 × Wireless Earbud 1 × Micro USB Charging Cable 1 × S Replacement Ear Tip 1 × L Replacement Ear Tip 1 × User Manual