Specification: Music play time：about3- 4 hours Talk time：about 4-5 hours Stand by time：125hours Working environment：-20℃~60℃ Charging environment：0℃~45℃ Charging time：about 1-2 hours Distance：10~20 meters for Single Ear Mode 10~15meters for Dual Ear Mode Frequency：2402MHz~2480MHz Bluetooth version：V4.1+EDR Battery:Li-polymer 3.7V，50mAh Driver unit: 8mm speaker Material：PC+TPU Truly Wireless Bluetooth Earphones-CordFree Specially Designed Earphones to Match Active Lifestyle.This earphone is totally cord-free with comfort ear gels to ensure the stable wearing, no worry about the popping out from ear when doing sports. Stable and Reliable Bluetooth Signal Adopt the advanced Bluetooth 4.1 chip, assure faster & stable signal transmission and high quality clear voice, making your every phone call continuous and clear even in loud environment. Two Working Modes- Dual Ear Modes/Single Ear Mode Dual Ear Mode, get 2 earphones paired with your devices to enjoy the the clear music ( 2 pairing ways, please kindly take the instructions for reference). Single Ear Mode, get the right one or the left one paired according to your own needs. Worry-Free Warranty Egrd offers one month free exchange or months repair for any Egrd products, including any amazon fulfillment orders, which are over the return time.
||181 x 260 x 520