Material:ABS, PC Specification:24*17*24.5mm/7g*2 How to use:Fully charge the earphone before using. For details about how to charge the earphone, see " Charger and Battery" in this manual. Meanwhile, choose the cell phone that is compatible with the earphone or other Wireless devices to pair with the earphone. For details about pairing, see "Basic Operations". Caution:Keep the earphone away from your credit card or other magnetic storage media; otherwise, the stored information may be lost due to demagnetization. Adopt True Wireless technology. Skin-friendly material. Comfortable to wear with ear hook. Two ways to use. You can use only one headphone or use two headphones. Stereo with shocking sound effect. Professional tuning technology brings perfect experience. Premium craft. Easy to carry. Brand MINISO SKU 100267895_NP-1020537308