Product Features: True Wireless Headphones: These sport sweatproof earphones are ideal because of their cord-free and hands-free experience. No more tangled cables getting in your way in your day to day activities Mono & Stereo Mode: Two-piece design - use them separately as two individual mono headsets or use them together for a full stereo sound experience. Secure & Comfortable Fit: The ergonomic ear hook, balanced weight distribution and the soft-touch finish ensure a secure and comfortable fit even during extended use. Sweatproof For Sport: Certificated IPX5 enclosure makes these earphones an ideal exercise companion whether you're outdoors or in the gym. Conveniently placed 'touch-sensitive' buttons allow you to answer calls and control your music without skipping a beat. Specifications: Bluetooth version: 4.2 Support profiles: HFP, A2DP, AVRCP Operational range: Class 2, 10 meters Battery capacity: 90mAh r Charging voltage:5V/05A Charging time: About 2 hours Talk time: up to 4 hrs Music time: up to 4 hrs Standby time: up to 60 hrs Water-resistant rate: IPX5 Model: TWS109 What's in the box 1x Avantree TWS109 1x USB charging cable 1x Carrying case 4pcs ear gels 1x User manual