Bluetooth Knit Hat Music Cap Hands-free Phone Call

USE: PORTABLE AUDIO PLAYER, MOBILE PHONE, COMPUTER SPECIAL FEATURE: BLUETOOTH WIRELESS, PORTABLE, MINI CHANNELS: 2 (2.0) RMS: 4Ω,0.5 0.5WATTS MATERIAL: POLYESTER DRIVER UNIT: STEREO FREQUENCY RESPONSE: 100HZ-20KHZ BLUETOOTH OPERATION RANGE: UP TO 15 METERS COLOR: GRAY HAT SIZE: ONE SIZE. BATTERY: LITHIUM/120MHA DIMENSION: 280*220*22MM(H) SUPPORTS: MICRO SD CARD, MP3, MP4, MID, PC, ETC TECHNOLOGY V3.0 EDR LOTUS . CHARGING TIME: 2.5 HOURS. CONTINUOUS WORKING TIME : ABOUT 6 HOURS. STANDBY TIME: 60 HOURS.