Diàndòng guāhúdāo bǐ shǒudòng de fāngbiàn hěn duō.
Electric shavers are much more convenient than manual ones.
Tips
usage
刮胡刀 covers both manual razors and electric shavers; 电动刮胡刀 (diàndòng guāhúdāo) specifies the electric kind, also called 剃须刀 (tìxūdāo, especially in product copy). Note 胡 here is short for 胡子 (húzi, beard / facial hair).