LOBKIN Portable TWS Wireless Bluetooth Speaker (2-Pack) for Couples, Built-in Mic, Powerful 5W Audio DriverIPX6 Waterproof Speaker with Superior Sound for Travel, Beach,Shower,Party ULTRA PORTABLE - LOBKIN X9N Bluetooth speaker is very portable, only palm-size for handling stable bass performance. Only using one finger you can lift it up with a hanging rope BLUETOOTH STEREO SPEAKER TWS - Connect 2 X9N speakers to create a wireless stereo experience with true 360 sound. They provide louder crystal clear powerful sound for indoors and outdoors IPX6 WATERPROOF - Designed as a rugged portable waterproof speaker to be shockproof, dust-proof and splash-proof. It is perfect for shower, even playing in the rain, in the pool or on beach, also a good choice for golf, travel, hiking, camping and fishing. (NOTE:press the rubber cover tightly before put in into water and dry the speaker) POWERFUL BATTERY - Premium stereo bluetooth speaker built-in high capacity 1000mah rechargeable Li-ion battery for up to 4 hours of playtime and can be replenished via the micro USB charging port. Built-in mic for hands-free calls EASY TO USE - LOBKIN Bluetooth TWS stereo speakers with simple buttons designed for effortlessly use. It pairs with your Bluetooth devices instantly through lastest Bluetooth V4.2. And you can use speaker in couples or single as your choice Bluetooth version: V4.2 Working distance: &gt;10m (33ft) Speaker battery: 3.7V/1000mAh Charging voltage: DC 4.7V-5.25V Driver: 4 5W Talking time: &gt;6 hrs Music playback: 80% volume about 4 hrs Standby time: &gt;500 hrs Charging time: about 1.5 hrs Waterproof degree: IPX6 2 x LOBKIN Bluetooth Speaker 2 x USB Charging Cable 2 x 3.5mm Audio Cable 2 x Hanging Rope 1 x User Manual