Wide Compatibility:For Android For iPhone For computer/laptop For devices which supports bluetooth function 【Product】:X55 Sleeping Earbuds 【Color】:White/Black/Pink/Blue/Khaki/【Specification】:Wireless Bluetooth earphones 【Wear】:Use in-ear 【Working time】 :3-4hours 【Applicable models】: Bluetooth device / cellphone Waterproof rating:lPX4 Earbud battery capacity: 25mAh Earbud charging time: about 30 minutesCharging case charging time: about 2 hoursControl method: touch Feature: >>Automatic pairing. >>HlFl sound quality, super high enjoyment Note 1.The earphone can be used for 3-4 hours if fullycharged. 2.The charging box can charge the earphones for 2times. 3.lf there is no power for the charging box, pls use thecharging cable (in the packing list) to charge thecharging box for 2 hours. 4.Please use earphones in environments withtemperatures between 0 C and 35 C(32 o F to 95 o F) 5.How to pair the earphones with your phone: (1).0pen charging box and take out earphones atsame time. (2).Wait for 5 seconds (3).Enable "Bluetooth" function of your phone, findand click "TWS" ,then click "Connect" to pair. (4)."TWS" appears in the paired list. Paring issuccessfully. 5).Single touch: pause/play (6).Double click on left side: next track (7).Double click on the right: Previous track (8).Click 3 times on left side: volumn down (9).Click 3 times on right side: volumn up (10).Long press for 3 seconds to wake up mobilevoice assistant (11). Long press both sides simultaneously for 5seconds to turn on/off.