About the product This portable Bluetooth speaker with compact size and delicate appearance is suitable for you to listen to music in the car at home/ office/ bedroom or even during shower time for its waterproof function. Feature: 1. NFC Technology (Near Field Communication,Only for Android) for easy and instant pairing. 2. Bluetooth speaker 4.2 connects faster, more stable, compatible with all your Bluetooth-equipped devices, and Outstanding connection range of up to 10 meters. 3. Built-in microphone, enables use this Wireless Bluetooth Speaker as a speakerphone, so you can enjoy hands-free calling. 4. Built-in rechargeable 3.7V, 3600mAh lithium-ion polymer battery, enables you to stream music for up to 10 hours on a full charge. 5. 3600mAh power bank can charge your phone or other device in emergency. 6. IPX7 Waterproof, dustproof, anti-scratch, shockproof, high temperature resistant speaker. Specification: Item Type: Bluetooth Speaker Material: Plastic, Silicone Color: Blue, Black, Red, Green Bluetooth: V4.2 Power Indicator Light: Blue lights Battery Capacity: 3600mAh Built-in Voltage: DC3.7V Power: 10W x 2 Play Time: 10H Frequency: 20HZ-20KHZ Support: NFC, AUX Water Resistance: IPX7——虚标 Transmission Range: 10M Size: 170 x 66 x 66 mm Package Weight: 420 g Note: Do not soak in water. It only support water mist- proof. Packing List: 1 x Bluetooth Speaker 1 x Charging Cable 1 x Metal Hook