Features: Mounting this Wireless BT Speaker on your bikes handle-bar, keeping BT connected, music playback and hands free phone call are all along the way with you, which brings you a comfortable listening experience. Outstanding sound quality and handheld portable size. Perfect portable wireless speakers for biking, travel, beach, cycling, riding and other outdoor activities. LED torch light(high bim, low bim, SOS flashing), and mulit playmodes as you need, enjoy boundless music. Waterproof & Multi-Function: This speaker is Waterproof, rain, dust, snow resistant, and it can be used as a external battery/power bank to charge your phone. The built-in microphone enables you to answer calls hands-freely. Long Battery Life: Built-in 1200 mAh rechargeable Lithium Polymer battery provides a long time usage (up to 24 hours by TF card play). Specifications: Wireless Communication Technology: BT Power Source: Battery Powered Battery: Built-in 1200 mAh lithium battery Color: Black Power: 3W Signal to noise ratio: 75dB Frequency response range: 100HZ-20KHZ Package size: 15*3.56*2CM Package weight: 211g Package List: 1 x BT Speaker Torch 1 x Support 1 x Micro USB Cable 1 x User Manual