? Features: Enjoying hands-free call. Built-in Bluetooth 2.1 + EDR paired with iPhone 4 / 4s / 5 / 5c / 5s, iPad, Galaxy S4 / S3, Note3 / 2, HTC phones or any other Bluetooth-enabled devices. Perfect sound quality Support Bluetooth stereo sound Built-in Microphone Powered by built-in rechargeable battery (charged by USB cable). With unique water-resistant design with suction cup back, it can be sucked on any flat surface, including desk, shower, door, wall, window, etc. Convenient buttons for music and call control. Suitable for car, washroom, kitchen, business trip, office, conference, vacation, bedroom, etc. ? Specifications: Bluetooth support: V2.1+EDR Transmitting frequency: 2.4GHZ Range: Approx. 10m/ 33ft Power supply: DC 5V Charging time: Approx. 3 hours Working time: Approx. 3-4 hours Battery: 3.7V 500mAh Li-battery Material: Silicon Item size: Approx. 85mm x 85mm x 45mm Item weight: Approx. 108g/ 3.8oz Case size: 9 x 6.7cm/ 3.5 x 2.6in Total weight: Approx. 108g / 6.73oz Waterproof grade: IPx4 Color: Black / Blue ? Note: NO USER MANUAL. NO RETAIL PACKAGE TO SAVE THE COST AND PROTECT THE ENVIRONMENT. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting Thank you for your understanding, nice day!~ ? Package Includes: 1 x Waterproof Bluetooth Speaker with Suction Cup 1 x USB Charging Cable