Please note, this item ships from an international seller. Expected delivery is 10-15 days. L15 Mini Wireless Bluetooth V5.0 Earphones Stereo In-Ear Headphones for Sport, Running, for Android IOS Specifications: Headphone type: left and right ears can be used Bluetooth version: V5.0 + EDR Bluetooth profiles: hands-free / headset Transmission range: more than 10 meters Battery type: 55ma rechargeable lithium battery Charging time: about 1h-2h Working Time: Music 4-6 Hours (Volume Will Affect Time) Frequency range: 2.40-2.48GHz Distortion factor: ≤ 1% Wearing styles: in-ear / stealth headphones Micro: yes Note: It only contains one earphone, and the left ear and right ear can be used back and forth, which is very convenient. Package contents: 1 x L15 Mini Bluetooth Earphone 1 x USB charging cable