Rio Box WB5 Bluetooth Bluetooth headphones

Specifications Bluetooth version: Bluetooth 4.2 Support: AVCTPv1.4, AVCTPv1.5, GAVDP1.0, AVDTPv1.0, A2DPv1.0, HFv1.5 Operating range: 33 feet (10 meters) Talk time: up to 18 hours Play time: up to 13 hours Standby time: up to 160 hours Charging time: up to 3 hours Battery capacity: 4.2 volts / 300 mAh (rechargeable) Charging voltage: DC 5 volts Package contents: 1 × wireless headset 1 × audio cable with microphone and volume control 1 × USB cable