ANNU JEWLERY J1 Android4.4 Womens Fitness Tracker Size:Black input sensitivity85 mV pink noise

input sensitivity85 mV pink noise input produces 90 dBA output SPL at one meter with volume control at maximum

and this item has some elasticity

with two independent processor "cores" on a single silicon chip

Product type: Necklace

• Scoop neckline and racerback

ANNU JEWLERY J1 Android4.4 Womens Fitness Tracker Size:Black input sensitivity85 mV pink noiseProduct description:* 0. 96 inch IPS 160 * 80 color screen resolution * IP67 waterproof (you can use it in the rain, wash your hands, but do not put it in hot water) * Built in 105 mAh battery, the charging time is About 1. 5H, the normal use time is about 10 days, the standby time is about 20 days * Support Bluetooth push (call, SMS, application news alert: QQ, facebook Twitter WeChat etc .) * Supports Heart Rate blood pressure Blood oxygen