Features: 1.Mini and delicate:One product = 1 Bluetooth earphone + 1 Mini phone. 2.Insert SIM card to make/receive calls, send/receive SMS, only support GSM standard Nano card. 3.It can store 500 contact numbers, 100 SMS messages. 4.Connect to the smartphone through Bluetooth function: You can control the phone to dial the phone / answer, message reminder / view, music playback, Bluetooth one-click synchronization. 5.Built-in MP3 player: You can insert music card to play music, or connect to smart phone Bluetooth to listen to music, enjoy your leisure time. 6.Noise reduction: it can reduce the delay, filter the outside noise, and can make normal phone calls even in a noisy environment. 7.Low radiation for a healthy life - Maximum 0.283W/KG, about one seventh of the average cell phone(2.1W/KG). Specification: Color: white, black, red, blue (optional) Model: BM30 Bluetooth version: 3.0 Wearing method: ear-hook Mode of operation: push-button Communication function: support Interface: USB 3.0 Battery capacity: 260mAh Screen: 0.66 inches Appearance size: 6.45*2.45*1.25cm Product weight: 21g Package list: 1 * Phone 1 * USB Cable 1 * Earbud 1 * Ear Hook 1 * User Manual 1、Mini and delicate:One product = 1 Bluetooth earphone + 1 Mini phone. 2、Insert SIM card to make/receive calls, send/receive SMS, only support GSM standard Nano card: 3、It can store 500 contact numbers, 100 SMS messages 4、Connect to the smartphone through Bluetooth function: You can control the phone to dial the phone / answer, message reminder / view, music playback, Bluetooth one-click synchronization. 5、Built-in MP3 player: You can insert music card to play music, or connect to smart phone Bluetooth to listen to music, enjoy your leisure time.