Compatible model: For Cardo Q2, Q2 pro, Scala Rider TeamSet, Rider TeamSet Pro, rider Solo For Scala Rider Solo, com 2, TeamSet, Rider TeamSet Pro, Scala Rider Q2, Scala Rider Multiset Q2 Part No.: 09D29, H452050 Specifications: CS-SRD200SL Category Wireless Headset Capacity 400mAh Type Li-Polymer Voltage 3.7V Rate 1.48Wh Color Black Dimension 49.00 x 20.10 x 4.70mm EAN Code 4894128113041 Net Weight 9.0g / 0.32oz Gross Weight 34g / 1.20oz We guaranteed: >All products 12 Months Warranty! >Delivery reliable,optimal performance! Considerate service! >Best price and Good quality! Using Tips: 1.Terminate any applications that are not in use. 2.Switch the vibration off and reduce ring tone and screen timeout. 3.Avoid exposing the battery to liquid or subject to strong mechanical shocks. 4.You can use the Baixt External Battery to make your cell phone battery life last longer. 5.Avoid overcharge and over discharge. Please stop charging when the battery is 100% charged. 6.Avoid exposing to high temperatures 140F/60C. Keep the battery power between 5%-95%. 7.Do not short-circuit the battery.Accidental short-circuiting can occur when a metallic object such as a coin clip,or pen causes direct connection of the positive(+) and negative(-) terminals of the battery short-circuiting the terminals may damage the battery of the connecting object.