Specification: Bluetooth 4.1 Model: C6 Material: Plastic Size: 8.7*4.1cm Weight: 167g Playback time: 1-2hours Charging time: 1hours Battery: 3.7V/500 MAH Connection range: up to 10 meter Supports TF/Micro SD cards (not include) Frequency Response: 120Hz-22 KHz Poly battery: 3.7v/500mAh Input Voltage: DC 5V/600MA Output Power: 5W Charging interface: Micro USB Waterproof: IP67 FM radio band: 87.5-108.0MHz Functions: MP3 Player, bluetooth phone, Bluetooth music, call back, and Voice prompts in English Feature: 1. Great for Outdoors and Shower The silicone cases and interface design ensure Shockproof, Dustproof Waterproof,level up to IP67, can be used under harsh environment (such as, outdoor and shower) 2. Enjoy Crystal Clear Sound Support A2DP and it's 5W speaker, so give you much better quality stereo experience (Just as the pictrue show that most of the popular waterpoof speaker just have 3W speaker) 3. Free Your Hands No matter enjoy bathroom or outdoors time, the double built-in MIC and hands-free function can let you enjoy wonderful music without the hassle of long cable and set free your hand from answering a call 4. Impressive & Friendly Design -Detachable suction and Aluminum alloy metal hook offer you convenience to hang and attach it to anywhere you want. -After 15 minutes without any operation since you powered on, the product will shut down automatically. 5. For Every Place, For Every Devices. -You can use this item at home, office, car, outdoors etc. -It supports any Bluetooth-enabled devices such as iPhone, iPad, HTC and so on), PDA, tablet PC, iPad, Mac Air, MP3 players, PCs, laptops, etc. Package Included: 1*Mini Speaker 1*USB charge cable 1*Manual