This ergonomic and lightweight earphone is comfortable for you to wear. This earphone features long standby time due to its large-capacity battery. What this product can offer you is that it features with portable owing to its compact size and lightweight body. It is constructed of plastic material. One of the advantages of this product is its easy-using feature, which shows that it has minimalistic design. Suitable for Android Phone, for iPhone, and digital devices with Bluetooth-compatible. Item Name: Earphone Material: Plastic Bluetooth-compatible Version: Version 4.2 Transmission Distance: Outdoor Straight-line Distance of 10 Meters Battery Capacity: Polymer Rechargeable Battery 55mah Listening to Music Time: 2.5 Hours, Support Up/Down/Pause Playback Talk Time: 2.5 Hours Standby Time: 130 Hours Charging Time: 1-2 Hours Working Current: 22MA Standby Current: 4uA Features: Safe, Mini, Universal Size Details: Packaging Box Size: 17.2cm x 9.1cm x 2.5cm/6.77" x 3.58" x 0.98" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Earphones 1 x Ear Cap 1 x User Manual