I am an earphone addict. I think I am eligible to write this review. I received it on 21 October and today is 29 October and the battery is still at 50%. I know it's crazyyyyyzzyy. I regret why I didn't bought it sooner. Doesn't have heavenly sound like 50k headphones but it's has Nuclear generated Battery. which you will need to charge only 4to5 times a month.Bike rideIt's not ideal for bike riding, it's for indoor use, alot of wind noise when riding, but no wind noise when plugged inside the helmet, additionally it makes alot of noise when you touch the earphone wire, the noise is not from the speaker btwbatteryBattery is great, no question about it. It's been 8 day's, I use it everyday and carry it everywhere and still it has 50% battery. after 8 days continuous used.Sound loudnessThe sound is loud I Don't recommend anyone to use it more than 80% level unless you want to lose your hearing within a year. 40% sound level satisfy me. It's too loud. If you put it more than 80% it's too dangerous for the eardrum.lastingI Don't expect to last it more than 1 year, like every boat earphone i have bought previously. ( they can last only 1 year maximum which is kind of disappointing.) it's like boat earphone are built to last exactly 1 years. which makes you buy again and again. Which of course makes sense. if they build a earphone that last forever. they won't be able to sell their newly launched product anymore.lookit looks good when you put it around the neck without listening. but when you put it in your ear it doesn't look cool ( around public) if you want to look cool this is not the right choice for you ?Can connect 2 blutooth device at the same timeBut the problem is, it can't recognise which is yours and which isn't, so when someone near you turn on their bluetooth, it will directly connect to it. which is kind of a minor problem. but i suppose boat apps can fixed it.sound qualitysound quality is kind of in the middle, I Don't have complains, but it's far better than 500 rs wired earphone IMO. the bass has high beat sound. mids and treble are perfect for me, bass is too much for me, IDK About your opinion.Noise block (ANC)If you play music to 30-40% sound level, you won't hear anyone talking near you. but if you Don't play any music, the noise level is blocked around 10% i would say. Considering this doesn't have any ANC it's great.i will update after 1,2,3 months used.