iMounTEK Adjustable Streamlined Bluetooth Neckband Wireless Stereo Headset Features: *Crystal Clear Stereo Sound: Adopts wireless V5.0 technology with stable signal transmitting offering impressive crystal clear stereo sound with 32.8 feet maximum distance connectivity. High-sensitive microphone with noise cancellation technology which reduces ambient noise and offers crystal clear sound. *8Hrs Work Time & 2Hrs Fully Charged: Comes with a built-in 130mAh rechargeable lithium polymer battery and a USB charging cable. The headset takes about 2 hours to fully charge and offers 8 hours of unstoppable music or talk time. *User Friendly & Multi-use: Designed with separate function buttons and +/- (Volume/Track adjustment) buttons. Easily operate functions like answer/end/redial a phone call play/pause pairing power on/off and more. *Snugly Fit & Stable Wearing: Offering skin-friendly ear tips 9.45 inch neckband and 9.85 inch adjustable left/right earphone wires (via wire controllers) which adapt to your ear canals to provide a perfect seal and comfortable fit. Magnetic collars are built into the headset to attract and hold the earbuds so that they surround your neck properly. *Sweat-proof & Widely Used: Constructed of water-resistant silicone gel materials with special treatment which protect the earphones from sweat and ensures long lasting use. Specifications: Brand: iMounTEK Wireless Version: V5.0 Working Temperature: -10℃-+80℃/14℉-140℉ Microphone Sensitivity: 36-45dB Protocols Supported: HSPv1.2; HFPv1.6 A2DPv1.2 AVRCPv1.4 Talk/Music Time: About 8Hrs Charge Time: 2Hrs Operation Range: 10m/32.8ft Battery: Built-in 130mAh Lithium Polymer Battery Per Earbud Wire Length: 25cm/9.85in Neckband Length: 24cm/9.45in Microphone USB Cable Length: 30cm/11.81in Available Colors: Black; Blue; Red; Purple; Silver; Green; Yellow; White Materials: ABS and Silicone Gel Item Size: 12.5x17x1.7cm/4.93x6.7x0.67in Item Weight: 33.5g/0.08lbs Package Size: 15.7x19.2x2cm/6.19x7.56x0.79in Package Weight: 92g/0.21lbs iMounTEK Adjustable Streamlined Bluetooth Neckband Wireless Stereo Headset Yellow Condition: New Noise Cancelling: Yes Headphone Connection: Wireless Dimensions: 0.67 inches (H) x 6.7 inches (W) x 4.93 inches (L) Weight: 0.08 pounds iMounTEK Adjustable Streamlined Bluetooth Neckband Wireless Stereo Headset Green Noise Cancelling: Yes Headphone Connection: Wireless Condition: New Dimensions: 0.67 inches (H) x 6.7 inches (W) x 4.93 inches (L) Weight: 0.08 pounds iMounTEK Adjustable Streamlined Bluetooth Neckband Wireless Stereo Headset Silver Condition: New Noise Cancelling: Yes Headphone Connection: Wireless Dimensions: 0.67 inches (H) x 6.7 inches (W) x 4.93 inches (L) Weight: 0.08 pounds iMounTEK Adjustable Streamlined Bluetooth Neckband Wireless Stereo Headset Purple Condition: New Noise Cancelling: Yes Headphone Connection: Wireless Dimensions: 0.67 inches (H) x 6.7 inches (W) x 4.93 inches (L) Weight: 0.08 pounds iMounTEK Adjustable Streamlined Bluetooth Neckband Wireless Stereo Headset Red Condition: New Noise Cancelling: Yes Headphone Connection: Wireless Dimensions: 0.67 inches (H) x 6.7 inches (W) x 4.93 inches (L) Weight: 0.08 pounds iMounTEK Adjustable Streamlined Bluetooth Neckband Wireless Stereo Headset White Condition: New Noise Cancelling: Yes Headphone Connection: Wireless Dimensions: 0.67 inches (H) x 6.7 inches (W) x 4.93 inches (L) Weight: 0.08 pounds iMounTEK Adjustable Streamlined Bluetooth Neckband Wireless Stereo Headset Blue Condition: New Noise Cancelling: Yes Headphone Connection: Wireless Dimensions: 0.67 inches (H) x 6.7 inches (W) x 4.93 inches (L) Weight: 0.08 pounds iMounTEK Adjustable Streamlined Bluetooth Neckband Wireless Stereo Headset Black Condition: New Noise Cancelling: Yes Headphone Connection: Wireless Dimensions: 0.67 inches (H) x 6.7 inches (W) x 4.93 inches (L) Weight: 0.08 pounds Included in the box: 1 × Neckband Wireless Headset2 × Pairs of Extra Eartips1 × USB Charging Cable1 × User Manual Warranty : 1 years parts-and-labor warranty provided by Global Phoenix. Made in China