| http://www.w3.org/ns/prov#value | - Easy to clip-on to anything, especially convenient to clip it on the collar when you are doing sports.External Memory: Support up to 8GB Micro SD (TF) card Support music format: MP3Play time: around 3-4 hoursHigh quality USB data storage, supporting USB 1.1/2.0Built-in Li-ion battery, directly connect with PC for re-chargingNo Built-in MemorySize of Device:45x9x30mm approxColour:Black,silvery,pink
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