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 8-hour unstoppable music time with 2-Hr fully charged via Y-shaped USB charging cable. 180° rotation design of ear tips and 270° rotation design of ear hook enables earbuds to fit your ear contours 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. *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. *TRUE WIRELESS EARBUDS: True wireless dual ear stereo design, left and right earbud can be separated, that is, you can use its left and right ear headset solely (Single Track Mode), also can used them in pairs (Stereo Mode). Enjoy Hands-free HD stereo call and music anytime and anywhere. *CRYSTAL CLEAR SOUND: Latest Wireless 5.0 version 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-USE: 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 UNSTOPPABLE MUSIC & IPX4 WATERPROOF: 2 Hrs full charge for dual eurbuds via included Y-shaped USB charging cable and enjoy 6-8Hrs unstoppable music. IPX4 waterproof and sweat-proof performance prevent earbuds from corrosion. Compact and lightweight earbud is easy to store and carry anywhere anytime. Product Type: Wireless TWS Earbuds Wireless Version: Jerry 5.0 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 SNR (Signal to Noise Ratio): -93dB Talk/Music Play Time: 6-8Hrs 2 Earbuds Charging Time: 2Hrs Earphone Battery Capacity: 1Pc 140mAh Standby Time: 120Hrs Waterproof Level: IPX4 Sweat-proof Performance Material: Plastic, Silicone Gel Ear Tips Color: Black Micro USB Length: 14.5cm/5.70inches Earbud Diameter: 1cm/0.39inches Per Earbud Size: 4x5.5x3cm/1.57x2.16x1.18inches Per Earpbud Weight: 15g/0.03lbs Package size: 12.5x7.5x5cm/4.92x2.95x1.97inches Package weight: 114.5g/0.25lbs 1 × TWS Wireless Earbuds 1 × Y-Shaped Micro USB Charging Cable(Charge 2 earbuds simultaneously) 1 × Pair S Replacement Ear Tips 1 × Pair L Replacement Ear Tips 1 × User Manual