Wireless Bluetooth Neck Speaker Portable Wearable Surround with Microphone A7G2 1. Portable ser. the Portable tooth Ser on your ne to your hands and , wher you are cong or doing outdoor spor, such as walking, cycling, climbing, etc. can enjoy . your hands and , enjoy , answer , and stay in contact with the world around you.2. Surround sound, not just . The se point to your , the are , you can hear the sound to the fullest extent and mize the sound of other people around you. You can undetand the environment any time while listening to . It bs you cler to and Stay in contact with the world around you.3. design and long btery life. This wirel ser is swe and weher resistant. It is especiy suitable for people who like outdoor spor and games. You can play to 10 hou on a single charge with a rechargeable lithium polymer btery.4. and comfortable to wear. The ergonomic she, leaning geny o your shoulde, s a field stereo surround sound, o you to listen comfortably day.5. 3D cinema stereo. Wirel tooth se with a built-in 3W x 2 ser system and facing se b you deep and sound, creing a and immeive sound eerien. Portable se are well suited theer and gaming enthusias. Advand tooth 5.0 equipped portable peonal se can pe a r wirel range and more stable tooth contion.Comnicion: toothtooth veion: 5.0Btery: YesBtery cacity: 600mAhSer Type: Portable ply: USBo Mix: Full RangeChannels: 2 (2.0)Input (W): l than 25WActive noise canllion: ActiveTotal harmonic distortion: 1%Sensitivity: 95dBBuilt-in microone: YesConl: Input selorP port: YesImpedan