Communication System:Bluetooth 4.0 Compatible System:IOS7.0 and Androabove Chip:TI CC2541 Built-In Battery:CR2032 SDK:Support Working Time:2 Years OEM ODM:Support Protection:Waterproof Anti-dust Anti-vibration(Optional) TxPower:-23dBm~+0dBm Certification:CE FCC RoHS
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