Bluetooth mono wireless  ear phone for mobile •Features: 1.One services for two cellphones at the same time, ensures high voice quality. 2.Low energy consumption with ultra-long standby and talking time. 3.Safe and highly stable with high price-performance ratio. 4.Chip of British technology and A-level battery with protection board make a    more stable performance and longer service time. 5.Noise reduction function. •Internal Structure:    •Each part display:     •Measurements picture:   •Accessory: 1.1* Bluetooth headset 2.1* USB cable 3.1* User manual 4.2* Ear Gel (different styles) 5.2* Ear Hook (different sizes) •Multicolor display:   •Packing photos:   •Company view: •Patents certificate: