Portable Bluetooth Speaker Super Bass Stereo Wireless Speakers Support IP66 Waterproof Emergency Charging Handsfree TF Features: - Portable Bluetooth Speaker,built-in bluetooth 4.1 wireless transmission, working distance up to 10 meters. - Compatible with all Bluetooth devices such as smart phones, tablet PCs, iPOD ... - Built in Lithium Battery, support rechargeable battery 4500mAh - Support Emergency charging function, can charge mobile phone, smart watches... - Support Hands-free when answer calling with mic. - Support IP66 level waterproof protection, suit for camping outdoor - Support TF Card AUX in for play music. This speaker is a waterproof speaker and is protected against accidental water ingress for a rugged outdoor or indoor use. It is not designed for use as an underwater speaker Specifications: Product name: S610 Bluetooth Speaker Bluetooth version: 4.1 Lithium battery voltage:3.7v Speaker Specification: 45mm, 4ohm 8w x 2 Battery capacity: 4500mAh Noise ratio: >80DB Distortion: THD=1% Transmission distance: 10 meters Charging voltage: 5v 0.5A-1.5A Product size: 190mm*85mm*53mm packing size: 205MM*100MM*65MM N。W：300G G。W：500G Colors: Blue, orange Material: ABS+plastic Functions: Bluetooth, Handsfree, TF, Line in, Waterproof, Emergency charging Package List 1 x Wooden Bluetooth Speaker 1 x Micro USB Charging Cable 1 x AUX Cable 1 x Retail box