X9 Wireless Headphones Noise Canceling Earbuds Mini Sleeping Headphones Stereo Sound Earphones For Smart Phones Tablet Laptop

Description: Name: Wireless Earbuds Color: Black, White; Main phone type: both left and right ear can be used; Wireless connection version: V5.0 to EDR; Wireless connection mode: hands-free/headset; Supported protocol: HEP-HSP-A2D-AVRCP; Transmission range: more than ten meters; Battery type: 55mA rechargeable lithium battery; Loading time: about 1h-2h; Working time: Music 4-6 hours (volume will affect the time); Standby time: 100-150 hours or more; Frequency range: 2.40-2.48GHz; Frequency range: 20Hz-20KHz; Style: In-ear/invisible headphones; Packing list: 1 x headphones 1 x USB charging cable 1 x Instruction manual 1 x Packaging bag