Details:*Bluetooth V4.0 Waterproof+NFC Speaker+Power Bank*Waterproof，Dustproof， Anti-scratch， Shockproof，High temperature Resistant Speaker*Stylish and exquisite appearance， which is convenient to carry， With it you can enjoy music anytime and anywhere*NFC Technology (Near Field Communication) for easy and instant pairingHiFi and clear loud sound output*Built in microphone allows you to answer calls while listening to music*IPX4 Grade Waterproof， excellent for Outdoor Sport and exercise and Travel*English Voice Prompt function*Used as 3600MAH power bank can charge your phone or other device in emergency*Note:Do not soak in water! It only support water mist- proof!Specifications:*Bluetooth Version: V4.0+EDR*Bluetooth Resolution: CSR 4.0*Water resistance: IPX4*Output Power: 3W*2*Frequency Response: 20Hz~20kHz*Battery Li-ion: 3.7V*Battery Capacity: 3600mAh*Profile Supported: A2DP， AVRCP， Headset， Handsfree*Frequency: 2400-2483.5MHZ*Operation Range: 10M*Work time: about 10 hours*Standby time: ��90 hours*Charge Time: 3-4 hours*Product Size: 66mm*66mm*170mm*Package Size: 80mm*80mm*200mm*Audio input: 3.5mm Jack Cable and power connector*On/Off/Bluetooth switch*Power lndicator Light: Blue lights*Range: up to 10 meters open fieldPackage list:1* Portable Bluetooth Speaker1* 3.5mm audio cable1* Micro USB charging cable1* User Manual1* Metal Hook Loop