Supported protocol: A2DP, AVRCP, HFP, SPP HID Receive working current: ≤ 43MA Send working current: ≤ 60MA Standby current: <18MA Bluetooth distance: Up to 10M (32.8 ft) Built-in battery: 600MA Playing time: about 5H Charging time: ≤ 2H Charging input voltage: DC 5V Input/Output connecting mode: 3.5MM stereo audio port Compatibility: compatible with phones and PAD of Android/IOS system, and all Bluetooth audio devices. Dimensions: 0.3x2.2x3.8in Bluetooth 4.2 technology with A2DP and AVRCP Bluetooth protocol for enhanced audio quality , Strong Compatibility,Low Latency and faster pairing, intelligent compatible, Android, IOS system mobile phones and PAD, and all Bluetooth audio equipment. REAL-TIME VOICE TRANSMISSION: Experience your media at its best, thanks to Low Latency technology, making the wireless audio adapter ideal for playing online games, watching movies with instant sound without delay Bluetooth Devices A2DP profile for Windows Phone, smartphone, Android, Apple, iPhone 6, iPhone 6 Plus, Samsung Galaxy Note 4, Galaxy S5, Kindle, Kindle Fire, iPad, Nexus, Google, Tablets, Laptop, PC, & Stereo System with 3.5mm port. Brand No Brand SKU 100744650_NP-1021214424