QY7 Wireless Bluetooth 4.1 Stereo Earphone Sport Headphone Headset with MicphoneBluetooth Technology V4.1 Bluetooth mini lightweight wireless stereo sports headphone features stable signal、 lower consumption、 security encryption、 faster transmission and pair speed while producing impressive dynamic sound as well.Build-in battery:With one hour charging time、 powerful rechargeable battery provides 14 days standby time or up to 8 hours calling/playing time. Chargeable feature make it possible for longer service life.Fit for YouThe Wireless Bluetooth headset comes with another 2 pairs earbud tips of different sizes (L/S)、 from which you can choose to best fit your ear size.Features High quality: This wireless Bluetooth earphone is made of premium materials and features sweatproof、 so you can enjoy noisy-isolating music without any disturbing even when you are running、 jogging、 cycling、 and working out. Innovation Design: With soft smooth silicone gel surface、 this Bluetooth headphone is designed to naturally fit the contours of your ear. Different sizes of earbud tips are provided to guarantee constantly comfortable feeling. Multi-function: This Bluetooth earphone allows you realize remote control to your devices、 such as、 volume up/volume down、 previous track/next track、 answer/end calls. Build-in microphone makes your phone call hands free. Universal Compatibility: Ideal for iPad、 iPhone、 iPod Touch、 Android Smartphones、 tablets、 Bluetooth-enabled music players and any devices with Bluetooth connection.Specifications Bluetooth version: Bluetooth 4.1 Chipset: CSR8635 Operating distance: up to 33ft (10m) Battery: Rechargeable Lithium Battery 60mAh Frequency: 2.4GHz Standby time: up to 14 days Charging time: at least 1 hour Music time: up to 8 hours Talk time: up to 8 hours Input: 80mA/5V Dimension (L x W x H): 40 x 24 x 32mm Weight: 16.4g Color: WhitePackage List 1 X QY8 Sport Bluetooth Stereo Earphone.1 X QY8 User Manual1 X USB Charger Cable4X ear rubber (2pcs on the earphone)4 X ear hook (2pcs on the earphone)Simple-to-use: control all functions of your music (volume、 sound、 song selection) and calls from your phone via our simple-to-use user interface on the headphones themselves.Welcome to shop !All orders ship fast from china directly to the worldwide.If you have any questions、 please contact us、 thanks.