Materials: Product: Silicone / ABS / PC / Li-ion Polymer Battery (Li-Poly) USB Cable: PVC, magnet
Other Specs: Features iroha's Soft-Touch silicone and dust-proof coating USB Rechargeable Running Time: Approx. 90min (Max Strength) Charging Time: Approx. 120min Waterproof up to 50cm / 20"