Product Features
 Compatible with Bluetooth V4.0 specification standards. Use advanced CSR8615 Bluetooth chip.
 Comfortable to wear sports / outdoor use
 Output power: Class 2 power output, up to 10 meters
 Built-in DSP (digital signal processing) noise suppression and echo cancellation function.
 Battery status display on phone (only support IOS device)
 Battery Type: Lithium-Ion battery, 3.7V / 61mAh, Talking time: 5 hours, Music play time: 4.5hours, Standby time: up to 102hours, Charging time: 1 to 2 hours.
 Support HSP V1.2, HFP V1.6, A2DP V1.2, AVRCP V1.4 Bluetooth Profiles 
 Support for multiple paired devices, which can match up to 8 Bluetooth devices
 Power input Voltage: 5V

Product Specifications
 Compatible Bluetooth specification: V4.0
 Working frequency: 2.4GHz ~ 2.48GHz
 Battery type: 3.7V / 61mAh (rechargeable lithium-polymer)
 Talk time: about 5 hours
 Music Play time: 4.5 hours
 Standby time: about 102 hours
 Charging voltage: 5V/300 mAh

Support Accessories
 USB charging cable
 USB Travel Charger (optional)
 USB car charger (optional)
 Manual: 1pc
 Warranty Card: 1pc
 Package Type: Each pc into gift box, then Master carton.