Mini Wireless Sports Bluetooth Ear Hook Headset Stereo Earphone

Features: 1. The ear hook is comfortable to wear: According to the ergonomic design, they are comfortable to wear and do not fall. 2. No earplugs, really painless: No need to rotate, can be worn on both sides. 3. Intelligent noise reduction: High definition call, light to 6.9g, wear no burden. 4. Power display for IOS: No longer blindly guess, support for iPhone power real time display. 5. Support call dialing, call, music play, tail number redial , automatic connection, Chinese and English switching. Specification: Material: ABS Color: Black Bluetooth Version: 4.1 Standby Time: 130 140 hours Battery Capacity: 70mAh Transmission Distance: 10m Charging Interface: Micro UBS Call Duration: 3.5 4.5H Charging Voltage: DC 5V Waterproof Rating: Level 6 waterproof Size: Approx. 7.1 * 4.1 * 0.6 cm 2.8 * 1.6 * 0.2 in Weight: Approx. 6.9 g Package list: 1 * Bluetooth Earphone 1 * USB Cable 1 * Chinese and English Instructions .