*Features*: **BUSINESS STYLE WIRELESS EARBUDS*:Left and right earbuds can be separated,use its left and right ear headset solely. Business elites need one for work chatting,one for personal call use. Keep the balance of them. Soft ear tips of 3-size,stable pairing and advanced codec chip,provide you comfortable and crystal clear sound trip and never miss any important details. **HIGH FIDELITY AUDIO & ADVANCED APTX CODEC*:Adopts advanced Wireless 4.2+EDR technology to ensure transmitting strong signal in high quality and offering crystal clear sound. High-sensitive CVC6.0 noise cancellation microphone and advanced aptX codec to provides pure,CD-like high quality sound for compatible devices. **TRUE WIRELESS & SNUGLY EAR FIT*: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). Its soft silicone and 3-size ear tips(S-M-L) snugly fit your auricle and guarantee 100% stable and comfortable for long time wearing. **UNSTOPPABLE MUSIC TIME & MULTI-FUNCTIONS*:Embedded 50mAH lithium-ion battery can last up to 3Hrs music playtime when 1.5Hrs simultaneously and fully be charged via Y-shaped charging cable. Multi-functions:answer/end a phone,play/pause,pairing,power on/off,phone number broadcasting,etc. can be operated via pressing its multifunction button. **ULTRA-LIGHTWEIGHT & IP44 WATERPROOF*:Only weighs .01lbs per earbud that you could barely feel it when you wear it. Easy to carry when walking,driving,travelling,etc..IP44 waterproof performance enables your earbuds to withstand water and sweat while you are sweating a lot during walking. *Specifications*:  Wireless version: 4.2 + EDR  Frequency response: 2.4GHz  Sensitivity: -90db Mic  Driver unit: φ8mm  Transmission range: ≤10m/32.8ft  Standby time: 80Hrs  Charging time: 1.5Hrs  Battery: 3.7V/50mAh li-polymer rechargeable battery  Materiel: ABS  Waterproof performance: IPX4  Per earbud weight: 4g/0.01lbs  Package size: 6.2x2.2x13.7cm/2.48x0.87x5.39inches  Package weight: 54g/0.12lbs *Package Lists*: 1 x Pair of Earbuds  1 x Y-splitter Micro Charging Cable  1 x Pair of Medium Size Earcaps  1 x Pair of Small Size Earcaps  1 x Lint Pouch  1 x User Manual