Description: Stereo Sound, the wireless Bluetooth neck speaker produce 3D sound quality around you ears. you can enjoy your music that won’t disturb the other people around you. Lightweight, portable, comfortable and wearable, compatible with most devices, make you enjoy good sound quality music everywhere. Bluetooth 5.0, stable transmission up to 33 ft (10m) range, suitable for the office, gym, travel and home use. IPX4 Waterproof, wireless neckband speaker is sweat proof. Hands free calling, you can free up your hands and take calls. Application: indoor and outdoor sports such as walking, riding bicycle, climbing mountains Specification: Bluetooth: Bluetooth 5.0 Working distance: ≥10m Playing time: about 6-8H Continuous talk time: about 7H Signal to noise ratio: ≥80dB Frequency response: 20Hz-20KHz Output power: 3W*2 Battery : 3.7/1000mAh Battery full time: 2H Charging interface: Type-c Size Chart: Size: approx. 235x50x30.4mm / 9.25x1.96x1.19 inch Package Includes: 1x Neckband Speaker 1x USB charing Cable 1x Manual